UpHeron
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Servers and applications

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 2.1.3 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.

Severity
Medium 4.0
Published
20 Jul 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · Needs a login
Attacker can
Change some data
CVSS vector
AV:N/AC:L/Au:S/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 2.1.2
  • Version 2.1.1
  • Version 2.1.0
  • Version 2.0.5
All 23 release lines
  • Version 1.9.1
  • Version 1.9.2
  • Version 1.9.3
  • Version 1.9.4
  • Version 1.9.5
  • Version 1.9.6
  • Version 1.9.7
  • Version 1.9.8
  • Version 1.9.9
  • Version 1.9.10
  • Version 1.9.11
  • Version 1.9.12
  • Version 1.9.13
  • Version 1.9.14
  • Version 2.0.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.1.0
  • Version 2.1.1
  • Version 2.1.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4584
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4584