CVE-2021-28963

Description

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory shibboleth.net Vendor Advisory shibboleth.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.debian.org/985405 third party advisory mailing list
https://shibboleth.net/community/advisories/secadv_20210317.txt vendor advisory
https://issues.shibboleth.net/jira/browse/SSPCPP-922 issue tracking patch vendor advisory
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379
https://www.debian.org/security/2021/dsa-4872 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-28963?
CVE-2021-28963 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28963?
To fix CVE-2021-28963, 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-2021-28963 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-28963 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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