CVE-2011-4584: n/a vulnerability

CVE-2011-4584: 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...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:09 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects old Moodle deployments using MNET single sign-on. An authenticated remote user could abuse the Login As capability to become another account. The main business risk is unauthorized access to learning content, administrative functions, or user data in federated Moodle or Mahara-style environments. Exposure is most likely on legacy Moodle 1.9, 2.0, or 2.1 sites with MNET authentication and remote single sign-on enabled. Prioritize remediation if any legacy Moodle instance still uses MNET federation. The issue enables account impersonation, but evidence for active exploitation is not provided. Mitigation focus: Upgrade Moodle to 1.9.15, 2.0.6, 2.1.3, or later supported releases.; Review Debian DSA-2421 and Moodle guidance for packaged deployments.; Inventory and retire unsupported Moodle 1.9, 2.0, and 2.1 instances..

Prepared: Jun 24, 2026, 12:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 20, 2012, 10:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.redhat.com/show_bug.cgi?id=761248CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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