Improper input validation in Checkmk
CVE-2022-47909
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Checkmk — versions 2.1.0, 2.0.0, 1.6.0
- Tribe29 Checkmk — versions 2.0.0, 2.1.0, 1.6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- checkmk.com/werk/14384 (Vendor Advisory)
- www.sonarsource.com/blog/checkmk-rce-chain-1/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47909?
- CVE-2022-47909 is a medium-severity vulnerability in Checkmk, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2023-02-20.
- How severe is CVE-2022-47909?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2022-47909 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.