What is CVE-2021-43310?

CVE-2021-43310 is a critical-severity vulnerability in Keylime, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2022-09-21.

How severe is CVE-2021-43310?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Keylime

CVE-2021-43310

A vulnerability in Keylime before 6.3.0 allows an attacker to craft a request to the agent that resets the U and V keys as if the agent were being re-added to a verifier. This could lead to a remote code execution.

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Keylime
N/a Keylime — versions keylime 6.3.0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

patrick@puiterwijk.org (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
patrick@puiterwijk.org (Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2021-43310?: CVE-2021-43310 is a critical-severity vulnerability in Keylime, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2022-09-21.
How severe is CVE-2021-43310?: Critical severity. CVSS v3 base score is 9.8 out of 10.