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

Published Nov 11, 2025
·
Updated

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 Software

1 affected component
SAP CommonCryptoLib

Event History

Nov 11, 2025
CVE Published
via MITRE·12:20 AM
Data Sourced
via MITRE·12:20 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeakness
News Published
via BleepingComputer·03:38 PM
News Published
via BleepingComputer·03:39 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-42940?

CVE-2025-42940 has a high severity rating due to its potential to cause memory corruption and application crashes.

2

How do I fix CVE-2025-42940?

To fix CVE-2025-42940, apply the latest security patches and updates provided by SAP for CommonCryptoLib.

3

What software is affected by CVE-2025-42940?

CVE-2025-42940 affects SAP CommonCryptoLib.

4

What type of impact does CVE-2025-42940 have on applications?

CVE-2025-42940 can lead to application crashes, significantly affecting availability.

5

Is CVE-2025-42940 related to data security?

CVE-2025-42940 is primarily an availability issue that results from improper boundary checks in data parsing.

Contact

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