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CVE

CVE-2021-20184

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade relate

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.

MEDIUM · CVSS 4.3 EPSS 0.00148
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-354Improper Validation of Integrity Check Value
▤

Affected Products & Versions

3
moodle< 3.8.7
moodle>= 3.9.0 and < 3.9.4
moodle>= 3.10.0 and < 3.10.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist moodle/moodle MEDIUM fixed in 3.8.7
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://moodle.org/mod/forum/discuss.php?d=417167PatchVendor Advisory
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