What is CVE-2025-22927?

CVE-2025-22927 is a critical-severity vulnerability in Os4ed Opensis, classified under Path Traversal. CVSS score: 9.1/10. Published 2025-04-03.

How severe is CVE-2025-22927?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2025-22927 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Os4ed Opensis

CVE-2025-22927

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.008 (51.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Os4ed Opensis
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-22927?: CVE-2025-22927 is a critical-severity vulnerability in Os4ed Opensis, classified under Path Traversal. CVSS score: 9.1/10. Published 2025-04-03.
How severe is CVE-2025-22927?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-22927 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.