CVE-2023-31211

HIGHNVD 8.88.8—

8.8

Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 30.8%
KEV: Not listed

Published

January 12, 2024

Last Modified

November 21, 2024

References (2)

security@checkmkhttps://checkmk.com/werk/16227
af854a3a-2127-422b-91ae-364da2661108https://checkmk.com/werk/16227

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 10:28 UTCEG score recompute
2026-05-24 10:28 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-31211?

CVE-2023-31211 is a high vulnerability published on January 12, 2024. Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials

When was CVE-2023-31211 disclosed?

CVE-2023-31211 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31211 actively exploited?

CVE-2023-31211 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31211?

CVE-2023-31211 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-31211?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31211, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-31211

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Is Your Infrastructure Affected by CVE-2023-31211?

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CVE-2023-31211

📅 Published

🔄 Last Modified

🔗 References (2)