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CVE-2023-31347

UNKNOWN
Published 2024-02-13T19:18:51.045Z
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Expert Analysis

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CVSS Score

V3.1
4.9
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.098
Higher than 9.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Description

Due to a code bug in
Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a
guest to observe an incorrect TSC when Secure TSC is enabled potentially
resulting in a loss of guest integrity.  

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

3rd Gen AMD EPYC™ Processors

Affected Versions:

various
AMD

4th Gen AMD EPYC™ Processors

Affected Versions:

various

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-ggv6-7vfj-r2fw

Advisory Details

Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.  

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-31347
WEB https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007

Advisory provided by GitHub Security Advisory Database. Published: February 13, 2024, Modified: March 17, 2025

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007
Published: 2024-02-13T19:18:51.045Z
Last Modified: 2025-03-17T17:46:05.955Z
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