CVE-2021-20718

Description

mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.06% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory zmartzone.eu
Affected: ZmartZone mod_auth_openidc
Published at:
Updated at:

References

Link Tags
https://www.zmartzone.eu/ vendor advisory
https://github.com/zmartzone/mod_auth_openidc third party advisory product
https://jvn.jp/en/jp/JVN49704918/index.html third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FV4KYMQWPS3I2QPW2C253MLIAFGBZPLK/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HJK366TLFEOIYWTHQSZO24MSDPBXHJU/ vendor advisory
https://www.oracle.com/security-alerts/cpujan2022.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20718?
CVE-2021-20718 has been scored as a high severity vulnerability.
How to fix CVE-2021-20718?
To fix CVE-2021-20718, 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-2021-20718 being actively exploited in the wild?
It is possible that CVE-2021-20718 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20718?
CVE-2021-20718 affects ZmartZone mod_auth_openidc.
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