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Unrated severityNVD Advisory· Published Jul 20, 2012· Updated Jun 16, 2026

CVE-2011-4587

CVE-2011-4587

Description

lib/moodlelib.php in 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 certain zero values in the password policy, which makes it easier for remote attackers to obtain access by leveraging the possible existence of user accounts that have unchangeable blank passwords.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

24
  • Moodle/Moodle24 versions
    cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*+ 23 more
    • cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:*
    • 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:*:*:*:*:*:*:*
    • (no CPE)range: <1.9.15, <2.0.6, <2.1.3

Patches

Vulnerability mechanics

References

4

News mentions

0

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