by Kastro
Paper/Archive/CVE-2025-67856

CVE-2025-67856

fedora — Moodle: moodle: privilege escalation via incomplete role checks in badge awarding

EPSS 0.3%CVSS 9.8
critical.is priorityof 100
34
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 22.9.229 × 204.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A flaw was found in Moodle. An authorization logic flaw, specifically due to incomplete role checks during the badge awarding process, allowed badges to be granted without proper verification. This could enable unauthorized users to obtain badges they are not entitled to, potentially leading to privilege escalation or unauthorized access to certain features.

Affected

ProductAffectedFixed inSource
moodle4.1.0 – < 4.1.224.1.22CNA
moodle4.4.0 – < 4.4.124.4.12CNA
moodle4.5.0 – < 4.5.84.5.8CNA
moodle5.0.0 – < 5.0.45.0.4CNA
moodle5.1.0 – < 5.1.15.1.1CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
fedora (CNA)5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refaccess.redhat.com/security/cve/CVE-2025-67856refbugzilla.redhat.com/show_bug.cgi?id=2423864