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CVE-2025-67853 (GCVE-0-2025-67853)

Vulnerability from cvelistv5 – Published: 2026-02-03 10:52 – Updated: 2026-02-03 15:43
VLAI
Title
Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-03 15:43 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2025-67853 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2423847 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Affected: 4.1.0 , < 4.1.22 (semver)
Affected: 4.4.0 , < 4.4.12 (semver)
Affected: 4.5.0 , < 4.5.8 (semver)
Affected: 5.0.0 , < 5.0.4 (semver)
Affected: 5.1.0 , < 5.1.1 (semver)
Date Public
2025-12-15 04:00
Credits
Red Hat would like to thank Petr Skoda for reporting this issue.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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