CVE-2021-42567

Description

Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 67.96% Top 5%
Third-Party Advisory github.io Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/apereo/cas/releases third party advisory release notes
https://apereo.github.io/2021/10/18/restvuln/ third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-42567?
CVE-2021-42567 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42567?
To fix CVE-2021-42567, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42567 being actively exploited in the wild?
It is possible that CVE-2021-42567 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~68% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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