3.8

CVE-2024-6156: canonical ltd. lxd Improper Certificate Validation

CVSS: 3.8v3.1LowAnalyzed
AliasesUBUNTU-CVE-2024-6156DEBIAN-CVE-2024-6156GHSA-4c49-9fpc-hc3v
Published 05-12-2024Last modified 18-03-2025
Open JSON

Vulnerability summary

CVE-2024-6156 is a low (CVSS 3.8) Improper Certificate Validation vulnerability in canonical ltd. lxd. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:14567-1

Timeline

  1. 05-12-2024
    PublishedVulnerability first disclosed.
  2. 18-03-2025
    Last modifiedVulnerability information updated.

Description

Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Lxd

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • incus< 6.0.3-1
  • lxdAll versions (No fix recorded)
Canonical1 product
  • lxd≥ 4.0.0, < 4.0.10 | ≥ 5.0.0, < 5.0.4 | ≥ 5.1, < 5.21.2
Canonical ltd.1 product
  • lxd≥ 4.0, < 4.0.10 | ≥ 4.0, < 5.0.4 | ≥ 4.0, < 5.21.2 | ≥ 4.0, < 6.1
Github.com/canonical1 product
  • lxd< 0.0.0-20240708073652-5a492a3f0036
Ubuntu1 product
  • lxdAll versions (No fix recorded)

5 vendors · 6 products

References

8 links