Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-3645

14
FAUCET Score

CVE-2025-3645 is a medium-severity vulnerability in Moodle that allows authenticated users to view other users' names and online statuses due to insufficient capability checks in a messaging web service. The attack vector is network-based with low attack complexity, requiring only low privileges to exploit, and results in a low impact on confidentiality. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.18CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.3.0, < 4.3.12CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.4.0, < 4.4.8CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.5.0, < 4.5.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
27.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 36th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.1.18
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.3.12
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.4.8
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.5.4

Vendor Advisories (1)

composerGHSA-pj96-xh2w-fgqxmedium

Moodle has an IDOR in messaging web service which allows access to some user details

Apr 25, 2025

References

access.redhat.com / security/cve/CVE-2025-3645
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
moodle.org / mod/forum/discuss.php
Vendor Advisory