CVE-2021-36394

In Moodle, a remote code execution risk was identified in the Shibboleth authentication plugin.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

7.03% chance of exploitation in the next 30 days, 94th percentile

Published

2023-03-06

Updated

2025-03-06

Proof-of-concept exploits (2)

• dinhbaouit/CVE-2021-3639413★ · 2021-08-29
• lavclash75/CVE-2021-36394-Pre-Auth-RCE-in-Moodle9★ · 2022-05-02

References

• CVE Record
• NVD entry

Related

• CVE-2018-16763
• CVE-2020-3452
• CVE-2021-26084
• CVE-2021-3156
• CVE-2022-24734
• CVE-2021-36393