BaseFortify

Publication date: 2025-11-11

Last updated on: 2025-11-12

Assigner: SAP SE

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-11-11

Last Modified

2025-11-12

Generated

2026-07-06

AI Q&A

2025-11-11

EPSS Evaluated

2026-07-05

NVD

CVE-2025-42940

Affected Vendors & Products

Vendor	Product	Version / Range
sap	commoncryptolib	3.1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability in SAP CommonCryptoLib occurs because the software does not perform necessary boundary checks when parsing manipulated ASN.1 data before authentication. This flaw can lead to memory corruption and cause the application to crash.

Impact Analysis

The vulnerability can impact you by causing the affected application to crash, resulting in a loss of availability. There is no impact on confidentiality or integrity.

Compliance Impact

This vulnerability does not affect confidentiality or integrity, only availability. Therefore, it is unlikely to directly impact compliance with standards focused on data protection such as GDPR or HIPAA.

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