5.4

CVE-2025-62401: moodle Improper Authorization

CVSS: 5.4v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-62401
Published 23-10-2025Last modified 23-10-2025
Open JSON

Vulnerability summary

CVE-2025-62401 is a medium (CVSS 5.4) Improper Authorization vulnerability in moodle. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-10-2025
    PublishedVulnerability first disclosed.
  2. 23-10-2025
    Last modifiedVulnerability information updated.

Description

An issue in Moodle’s timed assignment feature allowed students to bypass the time restriction, potentially giving them more time than allowed to complete an assessment.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Moodle1 product
  • moodle≥ 4.1.0, < 4.1.21 | ≥ 4.4.0, < 4.4.11 | ≥ 4.5.0, < 4.5.7 | ≥ 5.0.0, < 5.0.3
Ubuntu1 product
  • moodleAll versions (No fix recorded)

2 vendors · 2 products

References

4 links