What’s Vulnerable › Vulnerabilities

CVE-2011-4593

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-07-20 · updated 2026-06-16
• Weakness: CWE-200

Description

Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle user/action_redir group messages, which allows remote authenticated users to discover e-mail addresses by visiting the messaging interface.

Affected products

• Moodle: 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6 (+17)

References

• http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e94113a859015a4a80b9397957b8fc4044e2951f
• http://moodle.org/mod/forum/discuss.php?d=191762
• https://bugzilla.redhat.com/show_bug.cgi?id=761248
• http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e94113a859015a4a80b9397957b8fc4044e2951f
• http://moodle.org/mod/forum/discuss.php?d=191762
• https://bugzilla.redhat.com/show_bug.cgi?id=761248

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