CVE-2020-8664

Description

CNCF Envoy through 1.13.0 has incorrect Access Control when using SDS with Combined Validation Context. Using the same secret (e.g. trusted CA) across many resources together with the combined validation context could lead to the “static” part of the validation context to be not applied, even though it was visible in the active config dump.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history third party advisory release notes
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8 third party advisory
https://access.redhat.com/errata/RHSA-2020:0734 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-8664?
CVE-2020-8664 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8664?
To fix CVE-2020-8664, 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-2020-8664 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-8664 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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