UpHeron
All vulnerabilities

Servers and applications

CVE-2011-4304

The chat functionality in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote authenticated users to discover the name of any user via a beep operation.

Severity
Medium 4.0
Published
11 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
Information exposure (CWE-200)
Attack
Over the network · Needs a login
Attacker can
Read some data
CVSS vector
AV:N/AC:L/Au:S/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 2.1.1
  • Version 2.1.0
  • Version 2.0.4
  • Version 2.0.3
All 7 release lines
  • Version 2.0.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.1.0
  • Version 2.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4304
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4304