PT-2021-13875 · Moodle+1 · Moodle+1

Paul Holden · CVE-2021-20283 · Published 2021-03-08 · Updated 2024-03-06

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: moodle versions prior to 3.10.2 moodle versions prior to 3.9.5 moodle versions prior to 3.8.8 moodle versions prior to 3.5.17

Description: The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course.

Recommendations: For versions prior to 3.10.2, update to version 3.10.2 or later. For versions prior to 3.9.5, update to version 3.9.5 or later. For versions prior to 3.8.8, update to version 3.8.8 or later. For versions prior to 3.5.17, update to version 3.5.17 or later.

Fix

Missing Authorization

Incorrect Authorization

Weakness Enumeration

CWE-862

CWE-863

Related Identifiers

ALT-PU-2021-1445

ALT-PU-2021-1497

ALT-PU-2022-1641

BIT-MOODLE-2021-20283

CVE-2021-20283

GHSA-2M72-M5CW-3G9H

Affected Products

Alt Linux

Moodle

References · 16

• https://osv.dev/vulnerability/GHSA-2m72-m5cw-3g9h · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20283 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20283 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20283 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-20283 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20283 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2021-20283 · Vendor Advisory
• https://moodle.org/mod/forum/discuss.php?d=419654 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1939051 · Note
• https://t.me/cibsecurity/24928 · Telegram Post