CVE-2021-28377 json
ChronoForums 2.0.11 allows av Directory Traversal to read arbitrary files.
published 4y ago modified 4mo ago also EUVD-2021-15060
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.5%
- EPSS 8.5% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
ChronoForums 2.0.11 allows av Directory Traversal to read arbitrary files.
Is CVE-2021-28377 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
8.52% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template Joomla! ChronoForums 2.0.11 - Local File Inclusion nuclei detection template
- herolab.usd.de https://herolab.usd.de/en/security-advisories/usd-2021-0007/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
herolab.usd.de
/en/security-advisories/usd-2021-0007/
exploit, third-party-advisory
Sources
- CVE List CVE-2021-28377
- NVD CVE-2021-28377
Fencer Intel 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.