SQL Injection Risk in Moodle Affecting User Course Retrieval
CVE-2021-36393

9.8CRITICAL

Key Information:

Vendor

Moodle
Status
Moodle
Vendor
CVE Published:
6 March 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 26%

What is CVE-2021-36393?

An SQL injection vulnerability was detected in Moodle's functionality that fetches a user's recent courses. This flaw could allow an attacker to manipulate SQL queries by injecting arbitrary SQL code, potentially leading to unauthorized data access. Users should apply the latest security updates to mitigate this risk.

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Affected Version(s)

Moodle 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 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-2021-36393-Exploit
Created by T0X1Cx

CVE-2021-36393
Created by StackOverflowExcept1on

References

https://moodle.org/mod/forum/discuss.php?d=424798

EPSS Score

26% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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