CVE-2025-22931

7.5 highEPSS 0.5%

High (7.5) in os4ed opensis. EPSS 0.5% chance of exploitation in the next 30 days.

An insecure direct object reference (IDOR) in the component /assets/stafffiles of OS4ED openSIS v7.0 to v9.1 allows unauthenticated attackers to access files uploaded by staff members.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2025-04-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

os4ed:opensis

References

https://github.com/OS4ED/openSIS-Classic
https://github.com/esusalla/vulnerability-research/tree/main/CVE-2025-22931

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