CVE-2021-44138 in the critical feed json
Path Traversal in Caucho Resin
published 2022-04-04 4 y ago modified 2026-06-17 4 mo ago also GHSA-4w2q-9hp2-vxj5 , EUVD-2022-1626
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.3%
- EPSS 12.3% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin 4.0.52 - 4.0.56, which allows remote attackers to read files in arbitrary directories via a ; in a pathname within an HTTP request.
Exploit prediction
12.33% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Caucho Resin >=4.0.52 <=4.0.56 - Directory traversal nuclei detection template
- github.com https://github.com/maybe-why-not/reponame/issues/2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.caucho:resin | >=4.0.52, <=4.0.56 |
no fix listed |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/maybe-why-not/reponame/issues/2
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-44138
advisory
Sources
- CVE List CVE-2021-44138
- GitHub Advisory GHSA-4w2q-9hp2-vxj5
- NVD CVE-2021-44138
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