CVE-2011-4588

MEDIUM 5.0CVE-2011-4588 · Published 20/07/2012 · updated 16/06/2026

In short

CVE-2011-4588 is a MEDIUM (CVSS 5.0) vulnerability affecting moodle (moodle).
Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 82.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
moodle moodle	`= 1.9.1= 1.9.10= 1.9.11= 1.9.12= 1.9.13= 1.9.14= 1.9.2= 1.9.3= 1.9.4= 1.9.5= 1.9.6= 1.9.7= 1.9.8= 1.9.9`	No fix yet

Description

The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.

References

git.moodle.org/gw
moodle.org/mod/forum/discuss.php · Vendor Advisory
debian.org/security/2012/dsa-2421
bugzilla.redhat.com/show_bug.cgi

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Package

Affected versions

Patched versions

moodle

= 1.9.1= 1.9.10= 1.9.11= 1.9.12= 1.9.13= 1.9.14= 1.9.2= 1.9.3= 1.9.4= 1.9.5= 1.9.6= 1.9.7= 1.9.8= 1.9.9

No fix yet

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