PT-2021-13873 · Moodle+1 · Moodle+1

Ankit Agarwal · Published 2021-03-08 · Updated 2024-03-06 · CVE-2021-20281

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/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: It was possible for some users without permission to view other users' full names via the online users block in Moodle.

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

Incorrect Authorization

Information Disclosure

Weakness Enumeration

CWE-863

CWE-200

Related Identifiers

ALT-PU-2021-1445

ALT-PU-2021-1497

ALT-PU-2022-1641

BIT-MOODLE-2021-20281

CVE-2021-20281

GHSA-93WH-35R4-6QMW

Affected Products

Alt Linux

Moodle

References · 17

• https://ubuntu.com/security/CVE-2021-20281 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20281 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-93wh-35r4-6qmw · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-20281 · Security Note
• https://moodle.org/mod/forum/discuss.php?d=419652 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20281 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20281 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2021-20281 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• https://github.com/moodle/moodle/commit/33d6017287e1835513a3de8edd3fbf7a6a90af9c · Note
• https://t.me/cibsecurity/24937 · Telegram Post