The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6…
Priority LOW 22CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site.
Why it matters now
EPSS 0.01727 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* | 1.9.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* | 1.9.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* | 1.9.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* | 1.9.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* | 1.9.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* | 1.9.7 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* | 1.9.8 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:* | 1.9.9 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:* | 1.9.10 | Vulnerable | Moodle |
- cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* Versions 1.9.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* Versions 1.9.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* Versions 1.9.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* Versions 1.9.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* Versions 1.9.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* Versions 1.9.7 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* Versions 1.9.8 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:* Versions 1.9.9 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:* Versions 1.9.10 Vulnerable ·Moodle
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:* | 1.9.11 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:* | 1.9.12 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:* | 1.9.13 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:* | 1.9.14 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | Moodle |
- cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:* Versions 1.9.11 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:* Versions 1.9.12 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:* Versions 1.9.13 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:* Versions 1.9.14 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·Moodle
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4584
- 2026-10-03 Alias added: GHSA-x8rw-c396-qjg7
References
More Moodle vulnerabilities
- TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
- TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
- TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
- TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
- TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
- TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5
Sources
- CVE-2011-4584 · CVE Program
- CVE-2011-4584 · NVD
- FIRST EPSS
- GHSA-x8rw-c396-qjg7 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4584 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences