How severe is CVE-2012-3394?

CVE-2012-3394 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-3394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3394?

CVE-2012-3394 primarily affects Moodle. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3394?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3394 published?

CVE-2012-3394 was published on 2012-07-23 and last updated on 2026-06-16.

CVE-2012-3394

CVE-2012-3394 is a medium-severity vulnerability in Moodle with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Moodle
Published: 2012-07-23
Last modified: 2026-06-16

Description

auth/ldap/ntlmsso_attempt.php in Moodle 2.0.x before 2.0.10, 2.1.x before 2.1.7, 2.2.x before 2.2.4, and 2.3.x before 2.3.1 redirects users from an https LDAP login URL to an http URL, which allows remote attackers to obtain sensitive information by sniffing the network.

Frequently asked questions

What is CVE-2012-3394?: auth/ldap/ntlmsso_attempt.php in Moodle 2.0.x before 2.0.10, 2.1.x before 2.1.7, 2.2.x before 2.2.4, and 2.3.x before 2.3.1 redirects users from an https LDAP login URL to an http URL, which allows remote attackers to obtain sensitive information by sniffing the network.
How severe is CVE-2012-3394?: CVE-2012-3394 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-3394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3394?: CVE-2012-3394 primarily affects Moodle. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3394 published?: CVE-2012-3394 was published on 2012-07-23 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.1.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.0:*:*:*:*:*:*:*

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