CVE-2011-4302

mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x...

6.8 Medium

mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.

Exploit likelihood

1.28%Up 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 6.8

Record: CVE-2011-4302
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-4302
Updated: 2026-11-02

EUVDEUVD-2011-4237 No score

Record: EUVD-2011-4237
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hp4v-c3h7-rwmx No score

mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x...

Record: GHSA-hp4v-c3h7-rwmx
Weakness: CWE-20
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle` Debian:6.0 From an advisory covering 5 CVEs	before 1.9.9.dfsg2-2.1+squeeze2, plus listed versions 1.9.9.dfsg2-2.11.9.9.dfsg2-2.1+squeeze1	1.9.9.dfsg2-2.1+squeeze2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4302 is a medium vulnerability (CVSS 6.8) in Moodle, published November 7, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.