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CVE-2011-4587

MEDIUM · CVSS 6.8EPSS 2.1%EU EUVD

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.

Key facts

CVSS score
6.8 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-255
EPSS score
2.1% (81th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-4512)
Published
July 20, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4512 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle
  • moodle / moodle

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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