CVE-2025-42959
High
Description
An unauthenticated attacker may exploit a scenario where a Hashed Message Authentication Code (HMAC) credential, extracted from a system missing specific security patches, is reused in a replay attack against a different system. Even if the target system is fully patched, successful exploitation could result in complete system compromise, affecting confidentiality, integrity, and availability.
SeverityHigh
CVSS8.1
Exploit probability—
ProductSAP NetWeaver ABAP Server and ABAP Platform
PublishedJul 8, 2025
First seenJul 8, 2025
Weakness typeCWE-308CWE-308
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SAP_SE SAP NetWeaver ABAP Server and ABAP Platform | SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702, SAP_BASIS 731, SAP_BASIS 740, SAP_BASIS 750, SAP_BASIS 751, SAP_BASIS 752, SAP_BASIS 753, SAP_BASIS 754, SAP_BASIS 755, SAP_BASIS 756, SAP_BASIS 757, SAP_BASIS 758, SAP_BASIS 914, SAP_BASIS 915 | — |
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