SQL Injection in Moodle

CVE-2021-36393

In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses.

Vulnerability class: SQL Injection

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.523 (99.0th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-36393: held from 0.523 to 0.523.

EPSS over last 30 days · oldest: 0.523 · newest: 0.523 · change: 0.000

Affected products

  • Moodle
  • Moodle — versions 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-36393?
CVE-2021-36393 is a critical-severity vulnerability in Moodle, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-03-06.
How severe is CVE-2021-36393?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-36393 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.