PT-2026-5962 · Moodle+1 · Moodle+1

Published 2026-02-03 · Updated 2026-02-24 · CVE-2025-67853

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Moodle (affected versions not specified)

Description A flaw exists in Moodle related to insufficient rate limiting within the confirmation email service. This allows attackers to more easily enumerate or guess user credentials, potentially enabling brute-force attacks against user accounts.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

BIT-MOODLE-2025-67853

CVE-2025-67853

GHSA-5CX4-W4FH-FR57

Affected Products

Moodle

Red Os

References · 15

• https://osv.dev/vulnerability/GHSA-5cx4-w4fh-fr57 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-67853 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-67853 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-67853 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-67853 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2025-67853 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-67853 · Security Note
• https://github.com/moodle/moodle · Note
• https://moodle.org/mod/forum/discuss.php?d=471303 · Note
• https://twitter.com/CVEnew/status/2018646517108662731 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2018663458737119628 · Twitter Post
• https://t.me/cveNotify/150714 · Telegram Post
• https://access.redhat.com/security/cve/CVE-2025-67853 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2423847 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-moodle-cve-2025-67853-7.3 · Note