All vulnerabilities

Servers and applications

CVE-2012-4400

repository/repository_ajax.php in Moodle 2.2.x before 2.2.5 and 2.3.x before 2.3.2 allows remote authenticated users to bypass intended upload-size restrictions via a -1 value in the maxbytes field.

Severity
Medium 4.0
Published
19 Sept 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 66% 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 2.3.1
  • Version 2.3.0
  • Version 2.2.4
  • Version 2.2.3
All 7 release lines
  • Version 2.2.0
  • Version 2.2.1
  • Version 2.2.2
  • Version 2.2.3
  • Version 2.2.4
  • Version 2.3.0
  • Version 2.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-4400
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-4400