Medium severity · published May 22, 2016
CVE-2016-2151
user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the…
4.3
CVSS
1.6%
EPSS
No
On KEV
Description
user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
through 2.6.11; 2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; +27 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2151
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2151
git.moodle.org
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-52433
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/03/21/1
www.securitytracker.com
http://www.securitytracker.com/id/1035333
Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=330173
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