Skip to content
Fencer Vulns
medium 6.8

CVE-2022-47909 json

LQL Injection in Livestatus HTTP headers

published 2023-02-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50654

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Livestatus Query Language (LQL) injection in the AuthUser HTTP query header of Tribe29's Checkmk <= 2.1.0p11, Checkmk <= 2.0.0p28, and all versions of Checkmk 1.6.0 (EOL) allows an attacker to perform direct queries to the application's core from localhost.

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sonarsource.com https://www.sonarsource.com/blog/checkmk-rce-chain-1/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Tribe29 Checkmk

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.