CVE-2025-42959 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://me.sap.com/notes/3600846
https://url.sap/sapsecuritypatchday

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00067}`	epss `{'score': 0.0008}`

Tue, 08 Jul 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Jul 2025 00:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Missing Authentication check after implementation of SAP Security Note 3007182 and 3537476
Weaknesses		CWE-308
References		https://me.sap.com/notes/3600846 https://url.sap/sapsecuritypatchday
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: sap

Published: 2025-07-08T00:35:03.181Z

Updated: 2025-07-11T03:55:25.728Z

Reserved: 2025-04-16T13:25:39.584Z

Link: CVE-2025-42959

Vulnrichment

Updated: 2025-07-08T14:31:06.483Z

NVD

Status : Awaiting Analysis

Published: 2025-07-08T01:15:22.477

Modified: 2025-07-08T16:18:14.207

Link: CVE-2025-42959

Redhat

No data.

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