CVE-2025-67853

EUVD-2025-206748
A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
fedoraCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
moodlemoodle
𝑥
< 4.1.22
moodlemoodle
4.4.0 ≤
𝑥
< 4.4.11
moodlemoodle
4.5.0 ≤
𝑥
< 4.5.8
moodlemoodle
5.0.0 ≤
𝑥
< 5.0.4
moodlemoodle
5.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2025-67853
https://bugzilla.redhat.com/show_bug.cgi?id=2423847