Home/CVE/User enumeration in Checkmk <=2.2.0p4 allows an authenticated attacker to enumerate usernames.
CVE

CVE-2023-22359

User enumeration in Checkmk <=2.2.0p4 allows an authenticated attacker to enumerate usernames.

User enumeration in Checkmk <=2.2.0p4 allows an authenticated attacker to enumerate usernames.

MEDIUM · CVSS 4.3 EPSS 0.00351
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
▤

Affected Products & Versions

1
checkmkall versions
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security@checkmk.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jun 2023 · 07:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://checkmk.com/werk/15890Vendor Advisory
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