CVE-2022-35649

Name: CVE-2022-35649
Creator: NVD / NIST
Published: 2022-07-25T16:15:08.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 6.32%

Last modified Jun 17, 2026

CVE-2022-35649 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The vulnerability was found in Moodle, occurs due to improper input validation when parsing PostScript code. An omitted execution parameter results in a remote code execution risk for sites running GhostScript versions older than 9.50. EPSS estimates a 6.32% chance of exploitation in the next 30 days.

Description

The vulnerability was found in Moodle, occurs due to improper input validation when parsing PostScript code. An omitted execution parameter results in a remote code execution risk for sites running GhostScript versions older than 9.50. Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

6.32%

92.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	>= 3.9.0, < 3.9.15
Moodle	Moodle	>= 3.11.0, < 3.11.8
Moodle	Moodle	>= 4.0.0, < 4.0.2
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75044Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2106273Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V/
https://moodle.org/mod/forum/discuss.php?d=436456Vendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75044Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2106273Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MOKYVRNFNAODP2XSMGJ5CRDUZCZKAR3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTKUSFPSYFINSQFSOHDQIDVE6FWBEU6V/
https://moodle.org/mod/forum/discuss.php?d=436456Vendor Advisory

Timeline

Published: Jul 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-35649?

How severe is CVE-2022-35649?

CVE-2022-35649 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-35649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-35649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST