CVE-2012-3391

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-23 · updated 2026-06-16
Weakness: CWE-264

Description

mod/forum/rsslib.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not properly implement the requirement for posting before reading a Q&A forum, which allows remote authenticated users to bypass intended access restrictions by leveraging the student role and reading the RSS feed for a forum.

Affected products

Moodle: 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (+5)

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_22_STABLE&st=commit&s=MDL-32199
http://openwall.com/lists/oss-security/2012/07/17/1
http://secunia.com/advisories/49890
http://www.securityfocus.com/bid/54481
https://exchange.xforce.ibmcloud.com/vulnerabilities/76957
http://git.moodle.org/gw?p=moodle.git&a=search&h=refs%2Fheads%2FMOODLE_22_STABLE&st=commit&s=MDL-32199
http://openwall.com/lists/oss-security/2012/07/17/1
http://secunia.com/advisories/49890
http://www.securityfocus.com/bid/54481
https://exchange.xforce.ibmcloud.com/vulnerabilities/76957

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