CVE-2023-23549

lowpriority · track · 11EPSS 0.006 · 51 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.65% (51st) EPSS

CVSS 2.7 · low

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

Improper Input Validation in Checkmk <2.2.0p15, <2.1.0p37, <=2.0.0p39 allows priviledged attackers to cause partial denial of service of the UI via too long hostnames.

cvss

Technical severity, 0–10. One row per scoring source.

2.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 1.2 · impact 1.4

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Lsecondary · security@checkmk.comexploitability 1.2 · impact 1.4

v3.12.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1284US

affected products (6)

Products and version ranges known to be affected.

Checkmk GmbH Checkmk≤ 2.0.0 ≤2.0.0p39enisa_euvdEU
Checkmk GmbH Checkmk2.1.0 → 2.1.0p37enisa_euvdEU
Checkmk GmbH Checkmk2.2.0 → 2.2.0p15enisa_euvdEU
checkmk checkmk= 2.0.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
checkmk checkmk= 2.1.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
checkmk checkmk= 2.2.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2934tribe29 checkmk: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-11-15csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in tribe29 checkmk ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-11-15modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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