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CVE-2025-62399

26
FAUCET Score

CVE-2025-62399 describes a brute-force vulnerability in Moodle's mobile and web service authentication endpoints, affecting all versions of Moodle. With a CVSS score of 7.5 (HIGH), this vulnerability allows an unauthenticated attacker to repeatedly attempt passwords, potentially leading to account compromise (availability impact). Despite its high severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1.0, < 4.1.21CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.4.0, < 4.4.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 4.5.0, < 4.5.7CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.0.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 11th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 5.0.3
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.5.7
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.4.11
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.1.21

Vendor Advisories (1)

composerGHSA-m58f-9pvv-8mp2high

Moodle vulnerable to brute-force password guesses

Oct 23, 2025

References

access.redhat.com / security/cve/CVE-2025-62399
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory