Path Traversal in Os4ed Opensis

CVE-2023-38879

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'.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.036 (89.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-38879: held from 0.037 to 0.036.

EPSS over last 30 days · oldest: 0.037 · newest: 0.036 · change: -0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38879?
CVE-2023-38879 is a high-severity vulnerability in Os4ed Opensis, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-11-20.
How severe is CVE-2023-38879?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-38879 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.