Is CVE-2011-4584 being actively exploited?

CVE-2011-4584 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4584?

CVE-2011-4584 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2011-4584

MEDIUM · CVSS 4.0EPSS 1.7%EU EUVD

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.

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 1.7% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4509)
Published: July 20, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4509 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle
moodle / moodle

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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