Moodle Mobile/Web excessive authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle. It has been classified as problematic. This vulnerability affects unknown code of the component Mobile/Web. This manipulation causes excessive authentication. This vulnerability is tracked as CVE-2025-62399. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Moodle (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Mobile/Web. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. The summary by CVE is:

Moodle’s mobile and web service authentication endpoints did not sufficiently restrict repeated password attempts, making them susceptible to brute-force attacks.

The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2025-62399. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/28/2025). MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 276851 (Linux Distros Unpatched Vulnerability : CVE-2025-62399), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (276851) and EUVD (EUVD-2025-35668). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 276851
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-62399

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/16/2025 Advisory disclosed
10/16/2025 +0 days VulDB entry created
11/28/2025 +43 days VulDB entry last update

Sourcesinfo

Product: moodle.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2025-62399 (🔒)
GCVE (CVE): GCVE-0-2025-62399
GCVE (VulDB): GCVE-100-328837
EUVD: 🔒

Entryinfo

Created: 10/16/2025 18:56
Updated: 11/28/2025 08:34
Changes: 10/16/2025 18:56 (50), 10/23/2025 14:21 (1), 10/25/2025 09:45 (12), 11/28/2025 08:34 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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