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CVE-2023-0284

Improper validation of LDAP user IDs

Medium6.8EPSS 0.95%
Published
Updated
Reserved
Assigned by
Tribe29

Description

Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk <= 2.1.0p19, Checkmk <= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected.

Timeline

  1. ID reserved

    By Tribe29

  2. · 11 days later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-0284, by who scored it
Scored byCVSSScoreVector
Tribe29CNA (assigner)3.1Medium6.8CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
NVDNVD · Modified3.1High8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS (exploitation in 30 days)
0.95% · top 38% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

Affected products

  • Tribe29 · Checkmk

    • affected 2.0.0 – ≤ 2.0.0p32
    • affected 2.1.0 – ≤ 2.1.0p19
    • affected 1.6.0 – ≤ 1.6.0p30

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .