CVE-2021-3957 json
Cross-Site Request Forgery (CSRF) in kevinpapst/kimai2
published 2021-11-19 4 y ago modified 2026-06-17 4 mo ago also GHSA-2xwq-h7r9-6w27 , EUVD-2021-2281
- cvss
- 4.6
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
kimai2 is vulnerable to Cross-Site Request Forgery (CSRF)
Patch / fix
- packagist kevinpapst/kimai2 1.16
- kevinpapst kevinpapst/kimai2 1.16.2
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/5fa3098a-ba02-45e0-af56-645e34dbc691 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.6 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 4.6 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | kevinpapst/kimai2 | <1.16 |
1.16 |
Affected products
- kevinpapst kevinpapst/kimai2
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/kevinpapst/kimai2/commit/6b49535b523dcd36ec59462ee4e67e2b3a9151f3
web, patch, third-party-advisory
-
huntr.dev
/bounties/5fa3098a-ba02-45e0-af56-645e34dbc691
web, exploit, issue-tracking, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3957
advisory
Sources
- CVE List CVE-2021-3957
- GitHub Advisory GHSA-2xwq-h7r9-6w27
- NVD CVE-2021-3957
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.