CVE-2021-40691
MEDIUMCVSS 4.3/10EPSS 0.71%
Last modified
CVE-2021-40691 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A session hijack risk was identified in the Shibboleth authentication plugin.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
Description
A session hijack risk was identified in the Shibboleth authentication plugin.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 3.9.10 |
| Moodle | Moodle | >= 3.10.0, < 3.10.7 |
| Moodle | Moodle | >= 3.11.0, < 3.11.3 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2043411Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2043411Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40691?
A session hijack risk was identified in the Shibboleth authentication plugin.
How severe is CVE-2021-40691?
CVE-2021-40691 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40691?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40691?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST