PT-2021-2241 · Moodle+1 · Moodle+1

Juan Segarra Montesinos · Published 2021-01-12 · Updated 2024-03-06 · CVE-2021-20184

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 3.10.1 Moodle versions prior to 3.9.4 Moodle versions prior to 3.8.7

Description The issue is related to insufficient capability checks in some grade-related web services, allowing students to view other students' grades. This is due to flaws in access control within the "Gradebook" module of the Moodle virtual learning environment. Exploitation of this issue can allow a remote attacker to gain unauthorized access to protected information.

Recommendations For versions prior to 3.10.1, update to version 3.10.1 or later. For versions prior to 3.9.4, update to version 3.9.4 or later. For versions prior to 3.8.7, update to version 3.8.7 or later.

Fix

Weakness Enumeration

CWE-354

Related Identifiers

ALT-PU-2021-1050

ALT-PU-2021-1098

ALT-PU-2022-1641

BDU:2021-01193

BIT-MOODLE-2021-20184

CVE-2021-20184

GHSA-MM73-86F9-5X5C

Affected Products

Alt Linux

Moodle

References · 15

• https://osv.dev/vulnerability/GHSA-mm73-86f9-5x5c · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20184 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20184 · Vendor Advisory
• https://moodle.org/mod/forum/discuss.php?d=417167 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-20184 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-20184 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01193 · Security Note
• https://osv.dev/vulnerability/BIT-moodle-2021-20184 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20184 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• https://t.me/cibsecurity/22809 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021012515 · Note
• https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-69797 · Note
• https://securitylab.ru/vulnerability/515916.php · Note
• https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-69797 · Note