CVE-2023-3674 LOW

CVE-2023-3674: Keylime: attestation failure when the quote's signature does not validate

Weakness CWE-1283
Published July 19, 2023
Last update November 21, 2025
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CVSS base score

2.3/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted.

Key dates

02Disclosure timeline

July 19, 2023 CVE published
November 21, 2025 Record updated