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Vulnerability details: VCID-94uw-ckcp-j7aq
Vulnerability ID VCID-94uw-ckcp-j7aq
Aliases CVE-2021-36397
GHSA-2wmj-8mqg-r9q8
Summary Moodle has Incorrect Default Permissions In Moodle, insufficient capability checks meant message deletions were not limited to the current user.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-276 Incorrect Default Permissions
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.0046 https://api.first.org/data/v1/epss?cve=CVE-2021-36397
epss 0.0046 https://api.first.org/data/v1/epss?cve=CVE-2021-36397
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-2wmj-8mqg-r9q8
cvssv3.1 5.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.3 https://moodle.org/mod/forum/discuss.php?d=424803
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=424803
ssvc Track https://moodle.org/mod/forum/discuss.php?d=424803
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-36397
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-36397
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-36397
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=424803
https://nvd.nist.gov/vuln/detail/CVE-2021-36397
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
GHSA-2wmj-8mqg-r9q8 https://github.com/advisories/GHSA-2wmj-8mqg-r9q8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle
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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=424803
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
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-07T18:59:19Z/ Found at https://moodle.org/mod/forum/discuss.php?d=424803
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-36397
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.63136
EPSS Score 0.0046
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:15:16.196423+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-2wmj-8mqg-r9q8/GHSA-2wmj-8mqg-r9q8.json 36.1.3