CVE-2019-3852

Moodle context freezing

4.3 MediumFix available

A vulnerability was found in moodle before version 3.6.3. The get_with_capability_join and get_users_by_capability functions were not taking context freezing into account when checking user capabilities

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

1.06%Up 0.4 points since Apr 14, 2021

What each source reports

CVE List Score used 4.3

Record: CVE-2019-3852
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

EUVDEUVD-2022-5264 4.3

Record: EUVD-2022-5264
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v2rh-5v88-rgvh 4.3

Moodle context freezing

Record: GHSA-v2rh-5v88-rgvh
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

NVD 4.3

Record: CVE-2019-3852
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
Updated: 2026-11-02

OSV 4.3

Record: CVE-2019-3852
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVGHSA-v2rh-5v88-rgvh 4.3

Moodle context freezing

Record: GHSA-v2rh-5v88-rgvh
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-3852 4.3

Record: UBUNTU-CVE-2019-3852
CVSS 3.0: 4.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	3.6 up to 3.6.3	3.6.3
`moodle/moodle` Packagist	3.6 up to 3.6.3, plus listed versions v3.6.0v3.6.0-betav3.6.0-rc1v3.6.0-rc2v3.6.0-rc3v3.6.1v3.6.2	3.6.3
`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 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2019-3852 is a medium vulnerability (CVSS 4.3) in [unknown] Moodle, published March 26, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in moodle/moodle 3.6.3.

References

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