PT-2021-3683 · Unknown+2 · Shibboleth+2

Johannes Moritz + 1 · Published 2020-10-15 · Updated 2024-03-06 · CVE-2021-36394

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Moodle (affected versions not specified)

Description A remote code execution risk was identified in the Shibboleth authentication plugin of Moodle. The issue is related to incorrect code generation management. An attacker can exploit this issue by sending a specially crafted request, allowing them to execute arbitrary code remotely.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Code Injection

Session Fixation

Weakness Enumeration

CWE-94

CWE-384

Related Identifiers

ALT-PU-2020-3059

ALT-PU-2020-3235

ALT-PU-2020-3289

ALT-PU-2021-1050

ALT-PU-2021-1098

ALT-PU-2021-1445

ALT-PU-2021-1497

ALT-PU-2021-1777

ALT-PU-2021-2215

ALT-PU-2021-2787

ALT-PU-2021-3258

ALT-PU-2021-3335

ALT-PU-2022-1064

ALT-PU-2022-1476

ALT-PU-2022-1641

ALT-PU-2022-2450

BDU:2021-03916

BIT-MOODLE-2021-36394

CVE-2021-36394

GHSA-2563-FP9C-MGM8

Affected Products

Alt Linux

Moodle

Shibboleth

References · 17

• 🔥 https://github.com/lavclash75/CVE-2021-36394-Pre-Auth-RCE-in-Moodle · Exploit
• 🔥 https://github.com/dinhbaouit/CVE-2021-36394 · Exploit
• https://osv.dev/vulnerability/GHSA-2563-fp9c-mgm8 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36394 · Security Note
• https://bdu.fstec.ru/vul/2021-03916 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36394 · Vendor Advisory
• https://moodle.org/mod/forum/discuss.php?d=424799 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-36394 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-36394 · Security Note
• https://osv.dev/vulnerability/BIT-moodle-2021-36394 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-36394 · Vendor Advisory
• https://github.com/moodle/moodle · Note
• https://t.me/cibsecurity/59507 · Telegram Post
• https://securitylab.ru/vulnerability/522422.php · Note
• https://t.me/cybersecuritytechnologies/4180 · Telegram Post