Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-vxhx-gmhm-623c
Advisory ID github_osv/GHSA-vxhx-gmhm-623c
Aliases CVE-2020-25698
Summary Improper Access Control in moodle Users' enrollment capabilities were not being sufficiently checked in Moodle when they are restored into an existing course. This could lead to them unenrolling users without having permission to do so. Versions affected: 3.5 to 3.5.14, 3.7 to 3.7.8, 3.8 to 3.8.5, 3.9 to 3.9.2 and earlier unsupported versions. Fixed in 3.9.3, 3.8.6, 3.7.9, 3.5.15, and 3.10.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-284 Improper Access Control
System Score Found at
cvssv3.1 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-vxhx-gmhm-623c/GHSA-vxhx-gmhm-623c.json
generic_textual HIGH
Reference id Reference type URL
https://bugzilla.redhat.com/show_bug.cgi?id=1895419
https://github.com/moodle/moodle/commit/c8ac07fb50fa92eee1d574823fbda09e1b309a63
https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-67837
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6
https://moodle.org/mod/forum/discuss.php?d=413935
CVE-2020-25698 https://nvd.nist.gov/vuln/detail/CVE-2020-25698
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-vxhx-gmhm-623c/GHSA-vxhx-gmhm-623c.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.