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CVE-2025-42959

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CVE-2025-42959

Published: Jul 8, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

8.1

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.

VendorProductVersions

SAP_SE

SAP NetWeaver ABAP Server and ABAP Platform

affected
SAP_BASIS 700
affected
SAP_BASIS 701
affected
SAP_BASIS 702
affected
SAP_BASIS 731
affected
SAP_BASIS 740

+11 more versions

Weaknesses (CWE)

CWE-308

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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