What’s Vulnerable › Vulnerabilities

CVE-2025-42940: Memory Corruption vulnerability in SAP CommonCryptoLib

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-11 · updated 2026-10-18
• Weakness: CWE-787

Description

SAP CommonCryptoLib does not perform necessary boundary checks during pre-authentication parsing of manipulated ASN.1 data over the network. This may result in memory corruption followed by an application crash, hence leading to a high impact on availability. There is no impact on confidentiality or integrity.

Affected products

• SAP_SE SAP CommonCryptoLib: CRYPTOLIB 8

References

• https://me.sap.com/notes/3633049
• https://url.sap/sapsecuritypatchday

Get alerted when CVE-2025-42940 or the next vulnerability affects your stack