How severe is CVE-2025-22931?

CVE-2025-22931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-22931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-22931?

CVE-2025-22931 affects Os4ed Opensis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-22931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-22931 have an EU (EUVD) identifier?

Yes. CVE-2025-22931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9612.

When was CVE-2025-22931 published?

CVE-2025-22931 was published on 2025-04-03 and last updated on 2026-06-17.

CVE-2025-22931

CVE-2025-22931 is a high-severity vulnerability in Os4ed Opensis with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9612
Weakness: CWE-639
Affected product: Os4ed Opensis
Published: 2025-04-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-22931?: 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.
How severe is CVE-2025-22931?: CVE-2025-22931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-22931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-22931?: CVE-2025-22931 affects Os4ed Opensis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-22931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-22931 have an EU (EUVD) identifier?: Yes. CVE-2025-22931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9612.
When was CVE-2025-22931 published?: CVE-2025-22931 was published on 2025-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:os4ed:opensis:*:*:*:*:*:*:*:*

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