CVE-2020-27836

Description

A flaw was found in cluster-ingress-operator. A change to how the router-default service allows only certain IP source ranges could allow an attacker to access resources that would otherwise be restricted to specified IP ranges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability..

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a cluster-ingress-operator
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1906267 issue tracking patch vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1905490 issue tracking permissions required vendor advisory
https://access.redhat.com/security/cve/CVE-2020-27836 vendor advisory
https://github.com/openshift/cluster-ingress-operator/pull/507/commits/92c83f281ba5fb6a1d91ecc3beaa4bcf2647a729 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-27836?
CVE-2020-27836 has been scored as a critical severity vulnerability.
How to fix CVE-2020-27836?
To fix CVE-2020-27836, 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-2020-27836 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-27836 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.
What software or system is affected by CVE-2020-27836?
CVE-2020-27836 affects n/a cluster-ingress-operator.
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