Cyber Resilience

CVE-2022-47909

MediumPublic PoC

Published: 20 February 2023

Published
20 February 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS Score 0.0026 49.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47909 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Checkmk Checkmk. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 49.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

checkmk
checkmk
1.6.0, 2.0.0, 2.1.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References