CVE-2021-3992

MEDIUMNVD 6.56.5—

6.5

kimai2 is vulnerable to Improper Access Control

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 45.3%
KEV: Not listed

Published

December 1, 2021

Last Modified

November 21, 2024

References (4)

security@huntrhttps://github.com/kevinpapst/kimai2/commit/ff9acab0fc81f0e9490462739ef15fe4ab028ea5
security@huntrhttps://huntr.dev/bounties/a0c438fb-c8e1-40cf-acc6-c8a532b80b93
af854a3a-2127-422b-91ae-364da2661108https://github.com/kevinpapst/kimai2/commit/ff9acab0fc81f0e9490462739ef15fe4ab028ea5
af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/a0c438fb-c8e1-40cf-acc6-c8a532b80b93

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
kevinpapst/kimai2	0.1 ... 1.9 (47 versions)	1.16.3	—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:01 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-3992?

CVE-2021-3992 is a medium vulnerability published on December 1, 2021. kimai2 is vulnerable to Improper Access Control

When was CVE-2021-3992 disclosed?

CVE-2021-3992 was first published in the National Vulnerability Database on December 1, 2021, 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-2021-3992 actively exploited?

CVE-2021-3992 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-3992?

CVE-2021-3992 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2021-3992?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3992, 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-2021-3992

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Is Your Infrastructure Affected by CVE-2021-3992?

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