title: LQL Injection in Livestatus HTTP headers
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.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: Checkmk
vendor: Tribe29
versions:
lessThanOrEqual: 2.0.0p28, status: affected, version: 2.0.0, versionType: semver
lessThanOrEqual: 2.1.0p11, status: affected, version: 2.1.0, versionType: semver
lessThanOrEqual: 1.6.0p30, status: affected, version: 1.6.0, versionType: semver
}
metrics:
cvssV3_1: [
baseScore: 6.8
baseSeverity: MEDIUM
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
version: 3.1
]