#VU118243 Buffer overflow in CommonCryptoLib - CVE-2025-42940

 

#VU118243 Buffer overflow in CommonCryptoLib - CVE-2025-42940

Published: November 11, 2025


Vulnerability identifier: #VU118243
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-42940
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
CommonCryptoLib
Software vendor:
SAP

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error during pre-authentication parsing of manipulated ASN.1 data. A remote attacker can pass specially crafted data to the application, trigger memory corruption and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links