SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-67853

A remote attacker could exploit a lack of proper rate limiting in the confirmation email service.

HIGH 7.5EPSS 0.43%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.43% probability · 37th percentile
CISA KEV
Not listed
Weakness
CWE-307
Affected
moodle/moodle
Source
patrick@puiterwijk.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.