CVE-2023-38879 json
The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vuln…
published 2023-11-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42646
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vulnerability in the 'filename' parameter of 'DownloadWindow.php'.
Exploit prediction
3.63% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template openSIS v9.0 - Path Traversal nuclei detection template
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 |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/OS4ED/openSIS-Classic
product
-
os4ed.com
/
product
-
github.com
/dub-flow/vulnerability-research/tree/main/CVE-2023-38879
third-party-advisory
Sources
- CVE List CVE-2023-38879
- NVD CVE-2023-38879
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.