CVE•Published 2023-08-10•Modified 2026-10-24•1 article on news•6 live references•NVD data
CVE-2023-31209Checkmk · Checkmk
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
66
Exploit Prediction Scoring System · top 34% of all CVEs
Weaknesses (CWE)
Description
Improper neutralization of active check command arguments in Checkmk < 2.1.0p32, < 2.0.0p38, < 2.2.0p4 leads to arbitrary command execution for authenticated users.
Timeline
Published 2023-08-10
Modified 2026-10-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-31209Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Checkmk Checkmk" version:"2.0.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Checkmk"HTTP body or banner mentions "Checkmk" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-31209Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-31209Censys host search filtered to this CVE id.
grep.app
CVE-2023-31209Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-31209GitHub code search for direct mentions.
Google dork
"CVE-2023-31209" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-31209 on GitHub.