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Jwt Attack CVE-2024-56161

HIGH
Improper Verification of Cryptographic Signature (CWE-347)
2025-02-03 psirt@amd.com
7.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.2 HIGH
AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
SUSE
HIGH
qualitative
Red Hat
7.2 HIGH
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:07 vuln.today
CVE Published
Feb 03, 2025 - 18:15 nvd
HIGH 7.2

DescriptionCVE.org

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

AnalysisAI

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and. Rated high severity (CVSS 7.2). No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-347. Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

Affected ProductsAI

AMD CPU ROM microcode patch loader may.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Vendor StatusVendor

SUSE

Severity: High

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CVE-2024-56161 vulnerability details – vuln.today

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