RCE in Moodle

CVE-2018-1133

An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.322 (98.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Moodle
  • N/a Moodle 3.x Unknown — versions Moodle 3.x unknown

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1133?
CVE-2018-1133 is a high-severity vulnerability in Moodle, classified under Code Injection. CVSS score: 8.8/10. Published 2018-05-25.
How severe is CVE-2018-1133?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-1133 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.