CVE-2021-3963

mediumpriority · track · 17EPSS 0.004 · 34 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

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.

4.3

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

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · security@huntr.devexploitability 2.8 · impact 1.4

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · 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)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-352USprimaryCWE-352US

affected products (3)

Products and version ranges known to be affected.

kevinpapst kevinpapst/kimai2unspecified → 1.16.2enisa_euvdEU
kimai kimai 2< 1.16.2nvdUScpe:2.3:a:kimai:kimai_2:*:*:*:*:*:*:*:*
Packagist kevinpapst/kimai2< 1.16osvUSpkg:composer/kevinpapst/kimai2

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-gf2c-93hm-r9j5Cross-site Scripting in kimai22021-11-23ghsa · osvUS
kimai2 is vulnerable to Cross-Site Request Forgery (CSRF) in deleting invoice templates. This vulnerability is capable of tricking admin user to delete invoice templates.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

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

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+10366 more

references (8)

External citations — patches, advisories, analysis.

scry

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