Vulnerability identifier: #VU54977
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-89
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Moodle
Web applications /
Other software
Vendor: moodle.org
Description
The vulnerability allows a remote user to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data in the library fetching a user's recent courses. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Moodle: 3.11 - 3.11.0, 3.10.0 - 3.10.4, 3.9.0 - 3.9.7
External links
http://moodle.org/mod/forum/discuss.php?d=424798
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71242
http://tracker.moodle.org/browse/MDL-71242
http://github.com/T0X1Cx/CVE-2021-36393-Exploit
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.