Otrs

OTRS External Interface user enumeration via HTTP codes
CVE-2025-24391 - July 14, 2025

A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X

OTRS (<8) Admin/Agent Param Injection (Auth)
CVE-2025-24388 - June 16, 2025

A vulnerability in the OTRS Admin Interface and Agent Interface (versions before OTRS 8) allow parameter injection due to for an autheniticated agent or admin user. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS Session Hijack via Missing Secure Cookie (v7.0-2025.x)
CVE-2025-24387 6.5 - Medium - March 10, 2025

A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. A request to an OTRS endpoint from a possible malicious web site, would send the authentication cookie, performing an unwanted read operation.   This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.x

Session Riding

OTRS X-Content-Type-Options Header Missing Vulnerable in OTRS 68, 20232024
CVE-2024-43445 - January 27, 2025

A vulnerability exists in OTRS and ((OTRS Community Edition)) that fail to set the HTTP response header X-Content-Type-Options to nosniff. An attacker could exploit this vulnerability by uploading or inserting content that would be treated as a different MIME type than intended. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS Generic Interface Privilege Escalation (RO-permission)
CVE-2024-43446 - January 27, 2025

An improper privilege management vulnerability in OTRS Generic Interface module allows change of the Ticket status even if the user only has ro permissions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS <=8.0.x Sensitive Data Leakage via Log & Email (Component: System Logs)
CVE-2025-24389 - January 27, 2025

Certain errors of the upstream libraries will insert sensitive information in the OTRS or ((OTRS)) Community Edition log mechanism and mails send to the system administrator. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS Session Hijacking via Missing Secure/HttpOnly Cookie Flags in 7.02024
CVE-2025-24390 - January 27, 2025

A vulnerability in OTRS Application Server and reverse proxy settings allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X

OTRS 7.x-8.x XSS in System Config (admin) CVE-2024-43442
CVE-2024-43442 - August 26, 2024

Improper Neutralization of Input done by an attacker with admin privileges ('Cross-site Scripting') in  OTRS (System Configuration modules) and ((OTRS)) Community Edition allows Cross-Site Scripting (XSS) within the System Configuration targeting other admins. This issue affects:  * OTRS from 7.0.X through 7.0.50 * OTRS 8.0.X * OTRS 2023.X * OTRS from 2024.X through 2024.5.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS 6.0.x-8.0.x Plain Text Password Exposure in Admin Log (debug enabled)
CVE-2024-43444 - August 26, 2024

Passwords of agents and customers are displayed in plain text in the OTRS admin log module if certain configurations regarding the authentication sources match and debugging for the authentication backend has been enabled. This issue affects: * OTRS from 7.0.X through 7.0.50 * OTRS 8.0.X * OTRS 2023.X * OTRS from 2024.X through 2024.5.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

OTRS 8/2023/4.x Improper Export Filtering (TicketSearchLegacyEngine)
CVE-2024-6540 5.3 - Medium - July 15, 2024

Improper filtering of fields when using the export function in the ticket overview of the external interface in OTRS could allow an authorized user to download a list of tickets containing information about tickets of other customers. The problem only occurs if the TicketSearchLegacyEngine has been disabled by the administrator. This issue affects OTRS: 8.0.X, 2023.X, from 2024.X through 2024.4.x

OTRS 8.0/2023: Priv Escal via Inline Editing (ReadOnly Agent)
CVE-2024-23794 7.5 - High - July 15, 2024

An incorrect privilege assignment vulnerability in the inline editing functionality of OTRS can lead to privilege escalation. This flaw allows an agent with read-only permissions to gain full access to a ticket. This issue arises in very rare instances when an admin has previously enabled the setting 'RequiredLock' of 'AgentFrontend::Ticket::InlineEditing::Property###Watch' in the system configuration.This issue affects OTRS:  * 8.0.X * 2023.X * from 2024.X through 2024.4.x

OTRS File Upload Path Traversal before 7.0.49, 8.x, 2023.x, 2024.3.2, 6.0.34 (CE)
CVE-2024-23793 - June 06, 2024

The file upload feature in OTRS and ((OTRS)) Community Edition has a path traversal vulnerability. This issue permits authenticated agents or customer users to upload potentially harmful files to directories accessible by the web server, potentially leading to the execution of local code like Perl scripts. This issue affects OTRS: from 7.0.X through 7.0.49, 8.0.X, 2023.X, from 2024.X through 2024.3.2; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

OTRS Avatar Upload Input Validation Flaw (7.07.0.48, 8.08.0.37)
CVE-2024-23790 9.8 - Critical - January 29, 2024

Improper Input Validation vulnerability in the upload functionality for user avatars allows functionality misuse due to missing check of filetypes. This issue affects OTRS: from 7.0.X through 7.0.48, from 8.0.X through 8.0.37, from 2023 through 2023.1.1.

Improper Validation of Integrity Check Value

OTRS 7-8.x Vulnerability: Log Debug Info Exposes Sensitive Articles
CVE-2024-23791 7.5 - High - January 29, 2024

Insertion of debug information into log file during building the elastic search index allows reading of sensitive information from articles.This issue affects OTRS: from 7.0.X through 7.0.48, from 8.0.X through 8.0.37, from 2023.X through 2023.1.1.

Insertion of Sensitive Information into Log File

OTRS Ticket Comment Attachment Impersonation (CVE-2024-23792)
CVE-2024-23792 6.5 - Medium - January 29, 2024

When adding attachments to ticket comments, another user can add attachments as well impersonating the orginal user. The attack requires a logged-in other user to know the UUID. While the legitimate user completes the comment, the malicious user can add more files to the comment. This issue affects OTRS: from 7.0.X through 7.0.48, from 8.0.X through 8.0.37, from 2023.X through 2023.1.1.

authentification

OTRS 8.0 Plain Text Passwords Leak via AgentInterface & ExternalInterface (pre8.0.37)
CVE-2023-6254 7.5 - High - November 27, 2023

A Vulnerability in OTRS AgentInterface and ExternalInterface allows the reading of plain text passwords which are send back to the client in the server response- This issue affects OTRS: from 8.0.X through 8.0.37.

Insufficiently Protected Credentials

OTRS SSL Cert Validation Failure in Mail (<=8.0.37, 7.0.47)
CVE-2023-5422 9.1 - Critical - October 16, 2023

The functions to fetch e-mail via POP3 or IMAP as well as sending e-mail via SMTP use OpenSSL for static SSL or TLS based communication. As the SSL_get_verify_result() function is not used the certificated is trusted always and it can not be ensured that the certificate satisfies all necessary security requirements. This could allow an attacker to use an invalid certificate to claim to be a trusted host, use expired certificates, or conduct other attacks that could be detected if the certificate is properly validated. This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.

Improper Certificate Validation

OTRS 7.0.47/8.0.37/6.0.34: XSS via CustomerID Field
CVE-2023-5421 5.5 - Medium - October 16, 2023

An attacker who is logged into OTRS as an user with privileges to create and change customer user data may manipulate the CustomerID field to execute JavaScript code that runs immediatly after the data is saved.The issue onlyoccurs if the configuration for AdminCustomerUser::UseAutoComplete was changed before. This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.

XSS

OTRS Remote IP Leak via External Images before 7.0.47/8.0.37/6.0.34
CVE-2023-38059 5.3 - Medium - October 16, 2023

The loading of external images is not blocked, even if configured, if the attacker uses protocol-relative URL in the payload. This can be used to retreive the IP of the user.This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.

OTRS 8.0.X Improper Privilege Check in Ticket Move Action before 8.0.35
CVE-2023-38058 4.3 - Medium - July 24, 2023

An improper privilege check in the OTRS ticket move action in the agent interface allows any as agent authenticated attacker to to perform a move of an ticket without the needed permission. This issue affects OTRS: from 8.0.X before 8.0.35.

AuthZ

OTRS <=7.0.44 / <=8.0.34 Host Header Injection in Generic Interface ContentType
CVE-2023-38060 8.8 - High - July 24, 2023

Improper Input Validation vulnerability in the ContentType parameter for attachments on TicketCreate or TicketUpdate operations of the OTRS Generic Interface modules allows any authenticated attacker to to perform an host header injection for the ContentType header of the attachment.  This issue affects OTRS: from 7.0.X before 7.0.45, from 8.0.X before 8.0.35; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

Injection

OTRS Survey <7.0.32 / <8.0.13 XSS via unvalidated JS input
CVE-2023-38057 5.4 - Medium - July 24, 2023

An improper input validation vulnerability in OTRS Survey modules allows any attacker with a link to a valid and unanswered survey request to inject javascript code in free text answers. This allows a cross site scripting attack while reading the replies as authenticated agent. This issue affects OTRS Survey module from 7.0.X before 7.0.32, from 8.0.X before 8.0.13 and ((OTRS)) Community Edition Survey module from 6.0.X through 6.0.22.

XSS

OTRS <7.0.45, <8.0.35 Unauthorized Local Exec via SchedulerCronTaskModule
CVE-2023-38056 7.2 - High - July 24, 2023

Improper Neutralization of commands allowed to be executed via OTRS System Configuration e.g. SchedulerCronTaskModule using UnitTests modules allows any authenticated attacker with admin privileges local execution of Code.This issue affects OTRS: from 7.0.X before 7.0.45, from 8.0.X before 8.0.35; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

Shell injection

Improper Authorization in OTRS 8 Websocket API (before 8.0.32)
CVE-2023-2534 8.1 - High - May 08, 2023

Improper Authorization vulnerability in OTRS AG OTRS 8 (Websocket API backend) allows any as Agent authenticated attacker to track user behaviour and to gain live insight into overall system usage. User IDs can easily be correlated with real names e. g. via ticket histories by any user. (Fuzzing for garnering other adjacent user/sensitive data). Subscribing to all possible push events could also lead to performance implications on the server side, depending on the size of the installation and the number of active users. (Flooding)This issue affects OTRS: from 8.0.X before 8.0.32.

AuthZ

OTRS 6.0.x <6.0.12 Remote XSS via Malicious Email Link
CVE-2018-17883 6.1 - Medium - April 16, 2023

An issue was discovered in Open Ticket Request System (OTRS) 6.0.x before 6.0.12. An attacker could send an e-mail message with a malicious link to an OTRS system or an agent. If a logged-in agent opens this link, it could cause the execution of JavaScript in the context of OTRS.

XSS

OTRS Ticket Actions XSS 7.0 before 7.0.42 / 6.0.1-6.0.34
CVE-2023-1248 6.1 - Medium - March 20, 2023

Improper Input Validation vulnerability in OTRS AG OTRS (Ticket Actions modules), OTRS AG ((OTRS)) Community Edition (Ticket Actions modules) allows Cross-Site Scripting (XSS).This issue affects OTRS: from 7.0.X before 7.0.42; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

XSS

OTRS ACL input validation local code exec v7.0<7.0.42, v8.0<8.0.31, v6.0.16.0.34
CVE-2023-1250 7.8 - High - March 20, 2023

Improper Input Validation vulnerability in OTRS AG OTRS (ACL modules), OTRS AG ((OTRS)) Community Edition (ACL modules) allows Local Execution of Code. When creating/importing an ACL it was possible to inject code that gets executed via manipulated comments and ACL-names This issue affects OTRS: from 7.0.X before 7.0.42, from 8.0.X before 8.0.31; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

Code Injection

OTRS TicketSearch WS SQLI (6.0.1-6.0.34; 7.0.1-7.0.40; 8.0.1-8.0.28)
CVE-2022-4427 9.8 - Critical - December 19, 2022

Improper Input Validation vulnerability in OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition allows SQL Injection via TicketSearch Webservice This issue affects OTRS: from 7.0.1 before 7.0.40 Patch 1, from 8.0.1 before 8.0.28 Patch 1; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

SQL Injection

MS Outlook DoS via crafted To header in email
CVE-2022-39052 6.5 - Medium - October 17, 2022

An external attacker is able to send a specially crafted email (with many recipients) and trigger a potential DoS of the system

Infinite Loop

Access Control Defect: Article Template Contents Exposed via Agents without Permissions
CVE-2022-3501 7.5 - High - October 17, 2022

Article template contents with sensitive data could be accessed from agents without permissions.

AuthZ

OTRS Stored XSS via Customer URL in Admin Session
CVE-2022-39050 4.8 - Medium - September 05, 2022

An attacker who is logged into OTRS as an admin user may manipulate customer URL field to store JavaScript code to be run later by any other agent when clicking the customer URL link. Then the stored JavaScript is executed in the context of OTRS. The same issue applies for the usage of external data sources e.g. database or ldap

XSS

Template Toolkit Exec via Unverified 3rd Party Perl Package
CVE-2022-39051 8.8 - High - September 05, 2022

Attacker might be able to execute malicious Perl code in the Template toolkit, by having the admin installing an unverified 3th party package

Improper Control of Dynamically-Managed Code Resources

OTRS Admin URL Manipulation Enables JavaScript XSS
CVE-2022-39049 4.8 - Medium - September 05, 2022

An attacker who is logged into OTRS as an admin user may manipulate the URL to cause execution of JavaScript in the context of OTRS.

XSS

When Secure::DisableBanner system configuration has been disabled and agent shares his calendar
CVE-2022-32739 5.3 - Medium - June 13, 2022

When Secure::DisableBanner system configuration has been disabled and agent shares his calendar via public URL, received ICS file contains OTRS release number.

A reply to a forwarded email article by a 3rd party could unintensionally expose the email content to the ticket customer under certain circumstances.
CVE-2022-32740 5.3 - Medium - June 13, 2022

A reply to a forwarded email article by a 3rd party could unintensionally expose the email content to the ticket customer under certain circumstances.

Attacker is able to determine if the provided username exists (and it's valid) using Request New Password feature
CVE-2022-32741 5.3 - Medium - June 13, 2022

Attacker is able to determine if the provided username exists (and it's valid) using Request New Password feature, based on the response time.

Specially crafted string in OTRS system configuration can
CVE-2021-36100 8.8 - High - March 21, 2022

Specially crafted string in OTRS system configuration can allow the execution of any system command.

Shell injection

Malicious translator is able to inject JavaScript code in few translatable strings (where HTML is allowed)
CVE-2022-0475 5.4 - Medium - March 21, 2022

Malicious translator is able to inject JavaScript code in few translatable strings (where HTML is allowed). The code could be executed in the Package manager. This issue affects: OTRS AG OTRS 7.0.x version: 7.0.32 and prior versions, 8.0.x version: 8.0.19 and prior versions.

XSS

Accounted time is shown in the Ticket Detail View (External Interface)
CVE-2022-1004 4.3 - Medium - March 21, 2022

Accounted time is shown in the Ticket Detail View (External Interface), even if ExternalFrontend::TicketDetailView###AccountedTimeDisplay is disabled.

Information Disclosure

Full list of recipients
CVE-2022-0474 3.5 - Low - February 07, 2022

Full list of recipients from customer users in a contact field could be disclosed in notification emails event when the notification is set to be sent to each recipient individually. This issue affects: OTRS AG OTRSCustomContactFields 8.0.x version: 8.0.11 and prior versions.

Information Disclosure

OTRS administrators can configure dynamic field and inject malicious JavaScript code in the error message of the regular expression check
CVE-2022-0473 4.8 - Medium - February 07, 2022

OTRS administrators can configure dynamic field and inject malicious JavaScript code in the error message of the regular expression check. When used in the agent interface, malicious code might be exectued in the browser. This issue affects: OTRS AG OTRS 7.0.x version: 7.0.31 and prior versions.

XSS

Agents are able to lock the ticket without the "Owner" permission
CVE-2021-36097 4.3 - Medium - October 18, 2021

Agents are able to lock the ticket without the "Owner" permission. Once the ticket is locked, it could be moved to the queue where the agent has "rw" permissions and gain a full control. This issue affects: OTRS AG OTRS 8.0.x version: 8.0.16 and prior versions.

Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden
CVE-2021-36096 4.9 - Medium - September 06, 2021

Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.

Cleartext Storage of Sensitive Information

It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS
CVE-2021-36093 5.3 - Medium - September 06, 2021

It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.

It's possible to craft a request for appointment edit screen, which could lead to the XSS attack
CVE-2021-36094 5.4 - Medium - September 06, 2021

It's possible to craft a request for appointment edit screen, which could lead to the XSS attack. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.

XSS

Malicious attacker is able to find out valid user logins by using the "lost password" feature
CVE-2021-36095 5.3 - Medium - September 06, 2021

Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.

Weak Password Recovery Mechanism for Forgotten Password

Multiple SQL injection vulnerabilities in Open Ticket Request System (OTRS) Help Desk 3.0.x before 3.0.22, 3.1.x before 3.1.18, and 3.2.x before 3.2.9
CVE-2013-4717 8.8 - High - August 09, 2021

Multiple SQL injection vulnerabilities in Open Ticket Request System (OTRS) Help Desk 3.0.x before 3.0.22, 3.1.x before 3.1.18, and 3.2.x before 3.2.9 allow remote authenticated users to execute arbitrary SQL commands via unspecified vectors related to Kernel/Output/HTML/PreferencesCustomQueue.pm, Kernel/System/CustomerCompany.pm, Kernel/System/Ticket/IndexAccelerator/RuntimeDB.pm, Kernel/System/Ticket/IndexAccelerator/StaticDB.pm, and Kernel/System/TicketSearch.pm.

SQL Injection

Cross-site scripting (XSS) vulnerability in Open Ticket Request System (OTRS) ITSM 3.0.x before 3.0.9, 3.1.x before 3.1.10, and 3.2.x before 3.2.7
CVE-2013-4718 5.4 - Medium - August 09, 2021

Cross-site scripting (XSS) vulnerability in Open Ticket Request System (OTRS) ITSM 3.0.x before 3.0.9, 3.1.x before 3.1.10, and 3.2.x before 3.2.7 allows remote authenticated users to inject arbitrary web script or HTML via an ITSM ConfigItem search.

XSS

Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden
CVE-2021-21440 6.5 - Medium - July 26, 2021

Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.27 and prior versions; 8.0.x version 8.0.14 and prior versions.

Agents are able to list customer user emails without required permissions in the bulk action screen
CVE-2021-21443 4.3 - Medium - July 26, 2021

Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.