High severity · published Jan 28, 2021
CVE-2021-20187
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during…
7.2
CVSS
1.6%
EPSS
No
On KEV
Description
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during Shibboleth authentication.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 3.5.16; 3.8.0 before 3.8.7; 3.9.0 before 3.9.4; 3.10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20187
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20187
Patch
https://moodle.org/mod/forum/discuss.php?d=417171
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