UpHeron
All vulnerabilities

Servers and applications

CVE-2011-4303

lib/db/upgrade.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 does not set the correct registration_hubs.secret value during installation, which allows remote attackers to bypass intended access restrictions by leveraging the hubs feature.

Severity
Medium 4.3
Published
11 Jul 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.2% in the next 30 daysHigher than 69% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-310
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/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-2011-4303
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4303