CVE-2025-3645 json
Moodle: idor in messaging web service allows access to some user details
published 2025-04-25 18 mo ago modified 2026-09-08 2 mo ago also BIT-moodle-2025-3645 , EUVD-2025-12516 , GHSA-pj96-xh2w-fgqx
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users' names and online statuses.
Patch / fix
- packagist moodle/moodle 4.1.18, 4.3.12, 4.4.8, 4.5.4
- bitnami moodle 4.1.18, 4.3.12, 4.4.8, 4.5.4
- moodle moodle 4.1.18, 4.3.12, 4.4.8, 4.5.4
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-3645 updated cvss 4.3
moodle: IDOR in messaging web service allows access to some user details
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | <4.1.18 >=4.3.0-beta, <4.3.12 >=4.4.0-beta, <4.4.8 >=4.5.0-beta, <4.5.4 |
4.1.18 4.3.12 4.4.8 4.5.4 |
| bitnami | moodle | <4.1.18 >=4.3.0, <4.3.12 >=4.4.0, <4.4.8 >=4.5.0, <4.5.4 |
4.1.18 4.3.12 4.4.8 4.5.4 |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/moodle/moodle/commit/2fd810c8981f9b10087467a3b8fce779b157200f
web
-
github.com
/moodle/moodle/commit/a8179842b450659c288f284e06361a4fbab8742a
web
-
github.com
/moodle/moodle/commit/bb65effe41524d8373c1dc499c3323ac469ea558
web
-
moodle.org
/mod/forum/discuss.php?d=467606
web, vendor-advisory, advisory
-
access.redhat.com
/security/cve/CVE-2025-3645
vdb-entry, web, third-party-advisory, advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=2359761
issue-tracking, web, report
-
nvd.nist.gov
/vuln/detail/CVE-2025-3645
advisory, web
-
github.com
/moodle/moodle
package
-
github.com
/search?q=repo%3Amoodle%2Fmoodle+MDL-72704&type=commits
web
Sources
- CVE List CVE-2025-3645
- GitHub Advisory GHSA-pj96-xh2w-fgqx
- NVD CVE-2025-3645
- OSV BIT-moodle-2025-3645
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.