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Fencer Vulns
high 7.5

CVE-2024-43438 json

Moodle: idor in feedback non-respondents report allows messaging arbitrary site users

published 2024-11-07 2 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2024-43438 , EUVD-2024-3291 , GHSA-p9cx-f595-h79h

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

A flaw was found in Feedback. Bulk messaging in the activity's non-respondents report did not verify message recipients belonging to the set of users returned by the report.

Patch / fix

  • packagist moodle/moodle 4.1.12, 4.2.9, 4.3.6, 4.4.2
  • bitnami moodle 4.1.12, 4.2.9, 4.3.6, 4.4.2
  • moodle moodle 4.1.12, 4.2.9, 4.3.6, 4.4.2

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-2024-43438 updated cvss 7.5

moodle: IDOR in Feedback non-respondents report allows messaging arbitrary site users

  • Red Hat All currently supported Red Hat products
    not 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
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
<4.1.12
>=4.2.0-beta, <4.2.9
>=4.3.0-beta, <4.3.6
>=4.4.0-beta, <4.4.2
4.1.12
4.2.9
4.3.6
4.4.2
bitnami moodle
>=4.1.0, <4.1.12
>=4.2.0, <4.2.9
>=4.3.0, <4.3.6
>=4.4.0, <4.4.2
4.1.12
4.2.9
4.3.6
4.4.2

Affected products

  • moodle moodle

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key
  • CWE-863 Incorrect Authorization

References

Sources

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.