Vulnerability Details : 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.
Products affected by CVE-2011-4587
- cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*
- 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:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*
- 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:1.9.14:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4587
0.75%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4587
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2011-4587
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4587
-
https://bugzilla.redhat.com/show_bug.cgi?id=761248
761248 – (CVE-2011-4581, CVE-2011-4582, CVE-2011-4583, CVE-2011-4584, CVE-2011-4585, CVE-2011-4586, CVE-2011-4587, CVE-2011-4588, CVE-2011-4589, CVE-2011-4590, CVE-2011-4591, CVE-2011-4592, CVE-2011-4
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http://moodle.org/mod/forum/discuss.php?d=191755
Moodle.org: MSA-11-0048: Password loss issueVendor Advisory
-
http://www.debian.org/security/2012/dsa-2421
Debian -- Security Information -- DSA-2421-1 moodle
-
http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e079e82c087becf06d902089d14f3f76686bde19
Official Moodle git projects
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