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CVE

CVE-2025-62400

Moodle exposed the names of hidden groups to users who had permission to create calendar events but not to view hidden g

Moodle exposed the names of hidden groups to users who had permission to create calendar events but not to view hidden groups. This could reveal private or restricted group information.

MEDIUM · CVSS 4.3 EPSS 0.00059
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

4
moodle>= 4.1.0 and < 4.1.21
moodle>= 4.4.0 and < 4.4.11
moodle>= 4.5.0 and < 4.5.7
moodle>= 5.0.0 and < 5.0.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist moodle/moodle MEDIUM fixed in 5.0.3
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · patrick@puiterwijk.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Oct 2025 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2025-62400Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2404433Issue TrackingThird Party Advisory
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