SAP CommonCryptoLib Auth Bypass (CVE-2023-40309)
CVE-2023-40309 Published on September 12, 2023
Missing Authorization check in SAP CommonCryptoLib
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.
Vulnerability Analysis
CVE-2023-40309 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2023-40309 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2023-40309
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Affected Versions
SAP_SE SAP CommonCryptoLib:- Version 8 is affected.
- Version KERNEL 7.22 is affected.
- Version KERNEL 7.53 is affected.
- Version KERNEL 7.54 is affected.
- Version KERNEL 7.77 is affected.
- Version KERNEL 7.85 is affected.
- Version KERNEL 7.89 is affected.
- Version KERNEL 7.91 is affected.
- Version KERNEL 7.92 is affected.
- Version KERNEL 7.93 is affected.
- Version KERNEL 8.04 is affected.
- Version KERNEL64UC 7.22 is affected.
- Version KERNEL64UC 7.22EXT is affected.
- Version KERNEL64UC 7.53 is affected.
- Version KERNEL64UC 8.04 is affected.
- Version KERNEL64NUC 7.22 is affected.
- Version KERNEL64NUC 7.22EXT is affected.
- Version 7.22EXT is affected.
- Version 7.53 is affected.
- Version 7.54 is affected.
- Version 7.77 is affected.
- Version 7.85 is affected.
- Version 7.89 is affected.
- Version 6.50 is affected.
- Version 7.53 is affected.
- Version 7.54 is affected.
- Version 2.00 is affected.
- Version 722 is affected.
- Version SAP_EXTENDED_APP_SERVICES 1 is affected.
- Version XS_ADVANCED_RUNTIME 1.00 is affected.
- Version 17 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.