Read the docs
TI-2011-03954 Aliases CVE-2011-4588GHSA-c2gc-3pq9-wq9x

The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an…

Priority LOW 27CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.

Why it matters now

EPSS 0.02149 82nd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*1.9.1VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:*1.9.2VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:*1.9.3VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:*1.9.4VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:*1.9.5VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:*1.9.6VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:*1.9.7VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:*1.9.8VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*1.9.9VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*1.9.10VulnerableMoodle
  • 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 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*1.9.11VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*1.9.12VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*1.9.13VulnerableMoodle
cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:*1.9.14VulnerableMoodle
  • 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

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4588
  2. 2026-10-03 Alias added: GHSA-c2gc-3pq9-wq9x

References

Advisory 2

Other 2

  • 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
See all 636 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences