Privilege Escalation Vulnerability in Moodle by Moodle
CVE-2020-14321

8.8HIGH

Key Information:

Vendor

Moodle
Status
Moodle
Vendor
CVE Published:
16 August 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 39%

What is CVE-2020-14321?

In Moodle versions prior to 3.9.1, 3.8.4, 3.7.7, and 3.5.13, a vulnerability exists that allows teachers to improperly assign themselves manager roles within their courses. This privilege escalation can lead to unauthorized access and management of course content, posing a significant risk to the integrity of educational environments. Mitigation through updates is essential to maintain secure learning management systems.

Affected Version(s)

Moodle Moodle 3.9, 3.8 to 3.8.3, 3.7 to 3.7.6, 3.5 to 3.5.12 and earlier unsupported versions

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-14321
Created by HoangKien1020

CVE-2020-14321
Created by lanzt

CVE-2020-14321-modified-exploit
Created by f0ns1

References

https://moodle.org/mod/forum/discuss.php?d=407393

EPSS Score

39% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.