Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-2563-fp9c-mgm8
Advisory ID github_osv/GHSA-2563-fp9c-mgm8
Aliases CVE-2021-36394
Summary Moodle Session Fixation vulnerability In Moodle, a remote code execution risk was identified in the Shibboleth authentication plugin.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-384 Session Fixation
System Score Found at
cvssv3.1 9.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-2563-fp9c-mgm8/GHSA-2563-fp9c-mgm8.json
generic_textual CRITICAL
Reference id Reference type URL
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=424799
CVE-2021-36394 https://nvd.nist.gov/vuln/detail/CVE-2021-36394
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-2563-fp9c-mgm8/GHSA-2563-fp9c-mgm8.json
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

There are no SSVC decisions available.