SAP Netweaver Application Server Java

CRLF Injection in SAP NetWeaver Application Server Java
CVE-2026-23686 3.4 - Low - February 10, 2026

Due to a CRLF Injection vulnerability in SAP NetWeaver Application Server Java, an authenticated attacker with administrative access could submit specially crafted content to the application. If processed by the application, this content enables injection of untrusted entries into generated configuration, allowing manipulation of application-controlled settings. Successful exploitation leads to a low impact on integrity, while confidentiality and availability remain unaffected.

HTTP Response Splitting

SAP NetWeaver App Server Java: Info Disclosure via Manipulated URLs
CVE-2025-42919 5.3 - Medium - November 11, 2025

Due to an Information Disclosure vulnerability in SAP NetWeaver Application Server Java, internal metadata files could be accessed via manipulated URLs. An unauthenticated attacker could exploit this vulnerability by inserting arbitrary path components in the request, allowing unauthorized access to sensitive application metadata. This results in a partial compromise of the confidentiality of the information without affecting the integrity or availability of the application server.

Directory traversal

SAP NetWeaver Java Log Viewer unsafe deserialisation – remote OS takeover
CVE-2025-42963 9.1 - Critical - July 08, 2025

A critical vulnerability in SAP NetWeaver Application server for Java Log Viewer enables authenticated administrator users to exploit unsafe Java object deserialization. Successful exploitation can lead to full operating system compromise, granting attackers complete control over the affected system. This results in a severe impact on the confidentiality, integrity, and availability of the application and host environment.

Marshaling, Unmarshaling

SAP NetWeaver AS Java Stored XSS in User Mgmt
CVE-2025-27431 5.4 - Medium - March 11, 2025

User management functionality in SAP NetWeaver Application Server Java is vulnerable to Stored Cross-Site Scripting (XSS). This could enable an attacker to inject malicious payload that gets stored and executed when a user accesses the functionality, hence leading to information disclosure or unauthorized data modifications within the scope of victim?s browser. There is no impact on availability.

XSS

SAP NetWeaver AS Java XSS Allows Stored JS Payload via Basic User Input
CVE-2025-0054 - February 11, 2025

SAP NetWeaver Application Server Java does not sufficiently handle user input, resulting in a stored cross-site scripting vulnerability. The application allows attackers with basic user privileges to store a Javascript payload on the server, which could be later executed in the victim's web browser. With this the attacker might be able to read or modify information associated with the vulnerable web page.

XSS

SAP NetWeaver App Server Java Info Disclosure via XML Endpoint
CVE-2025-24869 - February 11, 2025

SAP NetWeaver Application Server Java allows an attacker to access an endpoint that can disclose information about deployed server components, including their XML definitions. This information should ideally be restricted to customer administrators, even though they may not need it. These XML files are not entirely SAP-internal as they are deployed with the server. In such a scenario, sensitive information could be exposed without compromising its integrity or availability.

AuthZ

SAP NetWeaver AS Java Unauth Info Disclosure via CAF
CVE-2024-28164 5.3 - Medium - June 11, 2024

SAP NetWeaver AS Java (CAF - Guided Procedures) allows an unauthenticated user to access non-sensitive information about the server which would otherwise be restricted causing low impact on confidentiality of the application.

Information Disclosure

SAP NetWeaver AS Java DoS via Unrestricted Meta Model Repository Access
CVE-2024-34688 7.5 - High - June 11, 2024

Due to unrestricted access to the Meta Model Repository services in SAP NetWeaver AS Java, attackers can perform DoS attacks on the application, which may prevent legitimate users from accessing it. This can result in no impact on confidentiality and integrity but a high impact on the availability of the application.

Resource Exhaustion

SAP NetWeaver Admin AS Java Log Viewer UploadCmd Injection v7.50 CVE-2024-22127
CVE-2024-22127 9.1 - Critical - March 12, 2024

SAP NetWeaver Administrator AS Java (Administrator Log Viewer plug-in) - version 7.50, allows an attacker with high privileges to upload potentially dangerous files which leads to command injection vulnerability. This would enable the attacker to run commands which can cause high impact on confidentiality, integrity and availability of the application.

Command Injection

Unauthenticated XML File Access via SAP NetWeaver AS Java 7.50 CAF
CVE-2024-24743 7.5 - High - February 13, 2024

SAP NetWeaver AS Java (CAF - Guided Procedures) - version 7.50, allows an unauthenticated attacker to submit a malicious request with a crafted XML file over the network, which when parsed will enable him to access sensitive files and data but not modify them. There are expansion limits in place so that availability is not affected.

XXE

XSS in SAP NW AS Java 7.50 User Admin Redirect URL
CVE-2024-22126 6.1 - Medium - February 13, 2024

The User Admin application of SAP NetWeaver AS for Java - version 7.50, insufficiently validates and improperly encodes the incoming URL parameters before including them into the redirect URL. This results in Cross-Site Scripting (XSS) vulnerability, leading to a high impact on confidentiality and mild impact on integrity and availability.

XSS

SAP NetWeaver AS Java 7.50: Unauth Brute-Force Login Issue
CVE-2023-42480 5.3 - Medium - November 14, 2023

The unauthenticated attacker in NetWeaver AS Java Logon application - version 7.50, can brute force the login functionality to identify the legitimate user ids. This will have an impact on confidentiality but there is no other impact on integrity or availability.

SAP NetWeaver AS Java 7.50 GRMG Heartbeat App - Request Flood CVE-2023-42477
CVE-2023-42477 6.5 - Medium - October 10, 2023

SAP NetWeaver AS Java (GRMG Heartbeat application) - version 7.50, allows an attacker to send a crafted request from a vulnerable web application, causing limited impact on confidentiality and integrity of the application.

SSRF

SAP CommonCryptoLib Auth Bypass (CVE-2023-40309)
CVE-2023-40309 9.8 - Critical - September 12, 2023

SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated user, resulting in escalation of privileges. Depending on the application and the level of privileges acquired, an attacker could abuse functionality restricted to a particular user group as well as read, modify or delete restricted data.

AuthZ

SAP CommonCryptoLib MemCorruption CVE-2023-40308
CVE-2023-40308 7.5 - High - September 12, 2023

SAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a memory corruption error in a library which in turn causes the target component to crash making it unavailable. There is no ability to view or modify any information.

Memory Corruption

Unauth Log Modification via CraftOut Request: SAP NetWeaver AS for Java 7.50
CVE-2023-31405 5.3 - Medium - July 11, 2023

SAP NetWeaver AS for Java - versions ENGINEAPI 7.50, SERVERCORE 7.50, J2EE-APPS 7.50, allows an unauthenticated attacker to craft a request over the network which can result in unwarranted modifications to a system log without user interaction. There is no ability to view any information or any effect on availability.

Improper Output Neutralization for Logs

SAP NetWeaver Java 7.50 Unauth Access via Open Naming API
CVE-2023-30744 9.1 - Critical - May 09, 2023

In SAP AS NetWeaver JAVA - versions SERVERCORE 7.50, J2EE-FRMW 7.50, CORE-TOOLS 7.50, an unauthenticated attacker can attach to an open interface and make use of an open naming and directory API to instantiate an object which has methods which can be called without further authorization and authentication.  A subsequent call to one of these methods can read or change the state of existing services without any effect on availability.

Missing Authentication for Critical Function

Escalation of Privileges in SAP NetWeaver AS Java 7.50 Classload Service
CVE-2023-24526 5.3 - Medium - March 14, 2023

SAP NetWeaver Application Server Java for Classload Service - version 7.50, does not perform any authentication checks for functionalities that require user identity, resulting in escalation of privileges. This failure has a low impact on confidentiality of the data such that an unassigned user can read non-sensitive server data.

Missing Authentication for Critical Function

Unauthenticated Access in SAP NetWeaver AS Java 7.50 Cache Mgmt Service
CVE-2023-26460 5.3 - Medium - March 14, 2023

Cache Management Service in SAP NetWeaver Application Server for Java - version 7.50, does not perform any authentication checks for functionalities that require user identity

Authorization

SAP NetWeaver AS Java 7.50 Priv Esc via OAS No Auth
CVE-2023-27268 5.3 - Medium - March 14, 2023

SAP NetWeaver AS Java (Object Analyzing Service) - version 7.50, does not perform necessary authorization checks, allowing an unauthenticated attacker to attach to an open interface and make use of an open naming and directory API to access a service which will enable them to access but not modify server settings and data with no effect on availability., resulting in escalation of privileges.

Authorization

Unauthorized Access in SAP NetWeaver AS for Java 7.50 via Missing Auth
CVE-2023-23857 8.6 - High - March 14, 2023

Due to missing authentication check, SAP NetWeaver AS for Java - version 7.50, allows an unauthenticated attacker to attach to an open interface and make use of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and services across systems. On a successful exploitation, the attacker can read and modify some sensitive information but can also be used to lock up any element or operation of the system making that it unresponsive or unavailable.

authentification

SAP NetWeaver AS for Java 7.50 Improper Access Control via Open Naming API
CVE-2023-0017 9.8 - Critical - January 10, 2023

An unauthenticated attacker in SAP NetWeaver AS for Java - version 7.50, due to improper access control, can attach to an open interface and make use of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and data on the current system. This could allow the attacker to have full read access to user data, make modifications to user data, and make services within the system unavailable.

Authorization

SAP NetWeaver AS Java 7.50 HTTP Provider XSS via Header
CVE-2022-41262 6.1 - Medium - December 12, 2022

Due to insufficient input validation, SAP NetWeaver AS Java (HTTP Provider Service) - version 7.50, allows an unauthenticated attacker to inject a script into a web request header. On successful exploitation, an attacker can view or modify information causing a limited impact on the confidentiality and integrity of the application.

XSS

An unauthenticated user can use functions of XML Data Archiving Service of SAP NetWeaver Application Server for Java - version 7.50, to
CVE-2022-27669 7.5 - High - April 12, 2022

An unauthenticated user can use functions of XML Data Archiving Service of SAP NetWeaver Application Server for Java - version 7.50, to which access should be restricted. This may result in an escalation of privileges.

AuthZ

Under certain conditions, SAP NetWeaver (Real Time Messaging Framework) - version 7.50
CVE-2022-26103 5.3 - Medium - March 10, 2022

Under certain conditions, SAP NetWeaver (Real Time Messaging Framework) - version 7.50, allows an attacker to access information which could lead to information gathering for further exploits and attacks.

Due to improper error handling in SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an attacker could submit multiple HTTP server requests resulting in errors, such
CVE-2022-22533 7.5 - High - February 09, 2022

Due to improper error handling in SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an attacker could submit multiple HTTP server requests resulting in errors, such that it consumes the memory buffer. This could result in system shutdown rendering the system unavailable.

Dangling pointer

In SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an unauthenticated attacker could submit a crafted HTTP server request
CVE-2022-22532 9.8 - Critical - February 09, 2022

In SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 7.22, 7.49, 7.53, an unauthenticated attacker could submit a crafted HTTP server request which triggers improper shared memory buffer handling. This could allow the malicious payload to be executed and hence execute functions that could be impersonating the victim or even steal the victim's logon session.

HTTP Request Smuggling

SAP NetWeaver Application Server Java (JMS Connector Service) - versions 7.11
CVE-2021-37535 9.8 - Critical - September 14, 2021

SAP NetWeaver Application Server Java (JMS Connector Service) - versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not perform necessary authorization checks for user privileges.

AuthZ

SAP NetWeaver AS JAVA (Enterprise Portal), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50 reveals sensitive information in one of their HTTP requests, an attacker
CVE-2021-33687 4.9 - Medium - July 14, 2021

SAP NetWeaver AS JAVA (Enterprise Portal), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50 reveals sensitive information in one of their HTTP requests, an attacker can use this in conjunction with other attacks such as XSS to steal this information.

Information Disclosure

SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50
CVE-2021-33670 7.5 - High - July 14, 2021

SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker to send multiple HTTP requests with different method types thereby crashing the filter and making the HTTP server unavailable to other legitimate users leading to denial of service vulnerability.

When user with insufficient privileges tries to access any application in SAP NetWeaver Administrator (Administrator applications)
CVE-2021-33689 4.3 - Medium - July 14, 2021

When user with insufficient privileges tries to access any application in SAP NetWeaver Administrator (Administrator applications), version - 7.50, no security audit log is created. Therefore, security audit log Integrity is impacted.

Information Disclosure vulnerability in UserAdmin application in SAP NetWeaver Application Server for Java, versions - 7.11,7.20,7.30,7.31,7.40 and 7.50
CVE-2021-27621 4.9 - Medium - June 09, 2021

Information Disclosure vulnerability in UserAdmin application in SAP NetWeaver Application Server for Java, versions - 7.11,7.20,7.30,7.31,7.40 and 7.50 allows attackers to access restricted information by entering malicious server name.

SAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50
CVE-2021-27635 6.5 - Medium - June 09, 2021

SAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file in the application because of missing XML Validation, this vulnerability enables attacker to fully compromise confidentiality by allowing them to read any file on the filesystem or fully compromise availability by causing the system to crash. The attack cannot be used to change any data so that there is no compromise as to integrity.

XXE

SAP NetWeaver AS JAVA (Customer Usage Provisioning Servlet), versions - 7.31, 7.40, 7.50
CVE-2021-27598 5.3 - Medium - April 13, 2021

SAP NetWeaver AS JAVA (Customer Usage Provisioning Servlet), versions - 7.31, 7.40, 7.50, allows an attacker to read some statistical data like product version, traffic, timestamp etc. because of missing authorization check in the servlet.

AuthZ

SAP NetWeaver AS Java (Applications based on HTMLB for Java)
CVE-2021-27601 5.4 - Medium - April 13, 2021

SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.

XSS

An unauthorized attacker may be able to entice an administrator to invoke telnet commands of an SAP NetWeaver Application Server for Java
CVE-2021-21485 6.5 - Medium - April 13, 2021

An unauthorized attacker may be able to entice an administrator to invoke telnet commands of an SAP NetWeaver Application Server for Java that allow the attacker to gain NTLM hashes of a privileged user.

SAP NetWeaver Application Server Java(HTTP Service)
CVE-2021-21492 4.3 - Medium - April 13, 2021

SAP NetWeaver Application Server Java(HTTP Service), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently validate logon group in URLs, resulting in a content spoofing vulnerability when directory listing is enabled.

Authentication Bypass by Spoofing

SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50
CVE-2021-21491 6.1 - Medium - March 10, 2021

SAP Netweaver Application Server Java (Applications based on WebDynpro Java) versions 7.00, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allow an attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.

Open Redirect

SAP AS JAVA (Key Storage Service), versions - 7.10, 7.11, 7.20 ,7.30, 7.31, 7.40, 7.50, has the key material
CVE-2020-26816 4.5 - Medium - December 09, 2020

SAP AS JAVA (Key Storage Service), versions - 7.10, 7.11, 7.20 ,7.30, 7.31, 7.40, 7.50, has the key material which is stored in the SAP NetWeaver AS Java Key Storage service stored in the database in the DER encoded format and is not encrypted. This enables an attacker who has administrator access to the SAP NetWeaver AS Java to decode the keys because of missing encryption and get some application data and client credentials of adjacent systems. This highly impacts Confidentiality as information disclosed could contain client credentials of adjacent systems.

Missing Encryption of Sensitive Data

Process Integration Monitoring of SAP NetWeaver AS JAVA, versions - 7.31, 7.40, 7.50
CVE-2020-26826 6.5 - Medium - December 09, 2020

Process Integration Monitoring of SAP NetWeaver AS JAVA, versions - 7.31, 7.40, 7.50, allows an attacker to upload any file (including script files) without proper file format validation, leading to Unrestricted File Upload.

Unrestricted File Upload

SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check
CVE-2020-26829 10 - Critical - December 09, 2020

SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.

authentification

SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50
CVE-2020-26820 7.2 - High - November 10, 2020

SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.

Unrestricted File Upload

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page
CVE-2020-6365 - October 15, 2020

SAP NetWeaver AS Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, Start Page allows an unauthenticated remote attacker to redirect users to a malicious site due to insufficient reverse tabnabbing URL validation. The attacker could execute phishing attacks to steal credentials of the victim or to redirect users to untrusted web pages containing malware or similar malicious exploits.

SAP NetWeaver Application Server Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50
CVE-2020-6319 - October 15, 2020

SAP NetWeaver Application Server Java, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50 allows an unauthenticated attacker to include JavaScript blocks in any web page or URL with different symbols which are otherwise not allowed. On successful exploitation an attacker can steal authentication information of the user, such as data relating to his or her current session and limitedly impact confidentiality and integrity of the application, leading to Reflected Cross Site Scripting.