Vulnerability · Published Nov 11, 2025 · Assigned by sap
CVE-2025-42940Memory Corruption vulnerability in SAP CommonCryptoLib
High 7.5
In plain English
A high-severity out-of-bounds write in SAP CommonCryptoLib from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SAP_SE | SAP CommonCryptoLib | CRYPTOLIB 8 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H