Unauth redirect in SAP AP NetWeaver ABAP App Server
CVE-2023-23853 Published on February 14, 2023
An unauthenticated attacker in AP NetWeaver Application Server for ABAP and ABAP Platform - versions 700, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, 789, 790, can craft a link which when clicked by an unsuspecting user can be used to redirect a user to a malicious site which could read or modify some sensitive information or expose the victim to a phishing attack. Vulnerability has no direct impact on availability.
Vulnerability Analysis
CVE-2023-23853 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2023-23853 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2023-23853
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Affected Versions
SAP NetWeaver Application Server for ABAP and ABAP Platform:- Version 700 is affected.
- Version 702 is affected.
- Version 731 is affected.
- Version 740 is affected.
- Version 750 is affected.
- Version 751 is affected.
- Version 752 is affected.
- Version 753 is affected.
- Version 754 is affected.
- Version 755 is affected.
- Version 756 is affected.
- Version 757 is affected.
- Version 789 is affected.
- Version 790 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.