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CVE-2011-4587

UnknownEPSS 2.07%

Last modified

CVE-2011-4587 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.07% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
2.07%

78.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle1.9.1
MoodleMoodle1.9.2
MoodleMoodle1.9.3
MoodleMoodle1.9.4
MoodleMoodle1.9.5
MoodleMoodle1.9.6
MoodleMoodle1.9.7
MoodleMoodle1.9.8
MoodleMoodle1.9.9
MoodleMoodle1.9.10
MoodleMoodle1.9.11
MoodleMoodle1.9.12
MoodleMoodle1.9.13
MoodleMoodle1.9.14
MoodleMoodle2.0.0
MoodleMoodle2.0.1
MoodleMoodle2.0.2
MoodleMoodle2.0.3
MoodleMoodle2.0.4
MoodleMoodle2.0.5
MoodleMoodle2.1.0
MoodleMoodle2.1.1
MoodleMoodle2.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4587?
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.
How severe is CVE-2011-4587?
Severity scoring for CVE-2011-4587 is pending analysis. The EPSS model estimates a 2.07% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4587?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4587?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST