CVE-2025-65594

HIGH
MEDIUM Priority: 0.03 BB Relevance: 66/100
Published: 2025-12-09 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: None

Description

OpenSIS 9.2 and below is vulnerable to Incorrect Access Control in Student.php, which allows an authenticated low-privilege user to perform unauthorized database write operations relating to the data of other users.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
os4ed opensis < 9.2

References & Advisories (1)

https://gitlab.com/tsuretettee/cve-2025-65594
Exploit Third Party Advisory

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.31%
Raw Score 0.003090
Percentile 24.1%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00309
2026-11-13
0.00309
2026-11-12
0.00309
2026-11-10
0.00309
2026-11-09
0.00309
2026-11-08
0.00288
2026-11-07
0.00288
2026-11-06
0.00288
2026-11-05
0.00288
2026-11-04
0.00288

Intelligence Sources

nvd ref →