What’s Vulnerable › Vulnerabilities

CVE-2022-47909: LQL Injection in Livestatus HTTP headers

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-20 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Checkmk GmbH Checkmk: 2.1.0, 2.1.0-b1, 2.1.0-b2, 2.1.0-b3, 2.1.0-b4, 2.1.0-b5 (+96)

References

• https://checkmk.com/werk/14384
• https://www.sonarsource.com/blog/checkmk-rce-chain-1/
• https://checkmk.com/werk/14384
• https://www.sonarsource.com/blog/checkmk-rce-chain-1/

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