Is CVE-2025-12270 in the CISA KEV catalog?

No. CVE-2025-12270 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-12270?

CVE-2025-12270 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2025-12270?

CVE-2025-12270 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-12270?

No published fix for CVE-2025-12270 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-12270

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability was determined in LearnHouse up to 98dfad76aad70711a8113f6c1fdabfccf10509ca. The impacted element is an unknown function of the file /api/v1/assignments/{assignment_id}/tasks/{task_id}/sub_file of the component Student Assignment Submission Handler. This manipulation causes improper control of resource identifiers. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

CWE-99 CWE-639Authorization Bypass Through User-Controlled Key

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Exploit1

gist.github.com

Third-Party Advisory2

VDB Entry1

vuldb.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.