CVE-2021-3957

mediumpriority · track · 17EPSS 0.004 · 32 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)

cvss

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

4.6

010

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

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.04.6mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:Lsecondary · ENISA EU

v3.04.6mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:Lsecondary · security@huntr.devexploitability 2.1 · impact 2.5

v3.04.6mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:Lsecondary · OSV

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

GHSA-2xwq-h7r9-6w27Cross-site Scripting in kimai22021-11-23ghsa · osvUS
Cross site request forgery vulnerability is present in delete functionality of doctor feature. This vulnerability is capable of deleting system logs

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2021-11-19modified 2026-06-17

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.