CVE-2025-42959
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BaseFortify

Publication date: 2025-07-08

Last updated on: 2025-07-08

Assigner: SAP SE

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.
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Meta Information
Published
2025-07-08
Last Modified
2025-07-08
Generated
2026-05-07
AI Q&A
2025-07-08
EPSS Evaluated
2026-05-05
NVD
CVE-2025-42959
EUVD
EUVD-2025-20350
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-308 The product uses an authentication algorithm that uses a single factor (e.g., a password) in a security context that should require more than one factor.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves an unauthenticated attacker exploiting a situation where a Hashed Message Authentication Code (HMAC) credential, taken from a system lacking certain security patches, is reused in a replay attack against another system. Even if the target system is fully patched, the attacker can potentially achieve complete system compromise, impacting confidentiality, integrity, and availability.


How can this vulnerability impact me? :

The vulnerability can lead to complete system compromise, which means an attacker could gain unauthorized access and control over the system. This impacts the confidentiality, integrity, and availability of the system and its data, potentially causing data breaches, data manipulation, and service disruptions.


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