CVE-2022-40314

Moodle remote code execution

9.8 CriticalFix available

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.10%Down 1.8 points since Oct 1, 2022

What each source reports

NVD Score used 9.8

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: CVE-2022-40314
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

CVE List 9.8

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: CVE-2022-40314
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2022-6989 9.8

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: EUVD-2022-6989
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2hmm-q272-xmhf 9.8

Moodle remote code execution

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: GHSA-2hmm-q272-xmhf
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSV 9.8

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: CVE-2022-40314
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-2hmm-q272-xmhf 9.8

Moodle remote code execution

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: GHSA-2hmm-q272-xmhf
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-40314 9.8

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: UBUNTU-CVE-2022-40314
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVBIT-moodle-2022-40314 No score

A remote code execution risk when restoring backup files originating from Moodle 1.9 was identified.

Record: BIT-moodle-2022-40314
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	before 3.9.17	3.9.17
`moodle/moodle` Packagist	3.11 up to 3.11.10	3.11.10
`moodle/moodle` Packagist	4.0 up to 4.0.4	4.0.4
`moodle` Bitnami	3.9.0 up to 3.9.17, 3.11.0 up to 3.11.10, 4.0.0 up to 4.0.4	3.9.173.11.104.0.4
`moodle/moodle` Packagist	before 3.9.17, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow less v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1	3.9.17
`moodle/moodle` Packagist	3.11 up to 3.11.10, plus listed versions v3.11.0v3.11.0-betav3.11.0-rc1v3.11.0-rc2v3.11.1 Show 8 moreShow less v3.11.2v3.11.3v3.11.4v3.11.5v3.11.6v3.11.7v3.11.8v3.11.9	3.11.10
`moodle/moodle` Packagist	4.0 up to 4.0.4, plus listed versions v4.0.0v4.0.0-betav4.0.0-rc1v4.0.0-rc2v4.0.0-rc3 Show 4 moreShow less v4.0.0-rc4v4.0.1v4.0.2v4.0.3	4.0.4
`moodle` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known
`moodle` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-40314 is a critical vulnerability (CVSS 9.8) in Moodle, published September 30, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. Fixed in moodle/moodle 3.9.17.

References

This page doesn't list everything

Left out here: 214 versions. The JSON record has them.