What is CVE-2020-8664?

CVE-2020-8664 is a vulnerability in CNCF Envoy, versions up to 1.13.0, that allows incorrect Access Control when using SDS with Combined Validation Context.

What is the severity of CVE-2020-8664?

CVE-2020-8664 has a severity value of 5.3, which is considered medium.

How does CVE-2020-8664 impact CNCF Envoy?

CVE-2020-8664 can lead to the 'static' part of the validation context not being applied, causing incorrect Access Control when using SDS with Combined Validation Context.

How can I fix CVE-2020-8664?

To fix CVE-2020-8664, update CNCF Envoy to version 1.13.1 or higher.

Where can I find more information about CVE-2020-8664?

You can find more information about CVE-2020-8664 in the Red Hat advisory [RHSA-2020:0734](https://access.redhat.com/errata/RHSA-2020:0734) and the Envoy security advisory [GHSA-3x9m-pgmg-xpx8](https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8)

Vulnerability/
CVE-2020-8664

medium

5.3

CWE

287

13/2/2020

4/3/2020

4/8/2024

CVE-2020-8664

First published: Thu Feb 13 2020(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
redhat/envoy	<1.13.1	1.13.1
CNCF Envoy	<=1.13.0

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Frequently Asked Questions

What is CVE-2020-8664?
CVE-2020-8664 is a vulnerability in CNCF Envoy, versions up to 1.13.0, that allows incorrect Access Control when using SDS with Combined Validation Context.
What is the severity of CVE-2020-8664?
CVE-2020-8664 has a severity value of 5.3, which is considered medium.
How does CVE-2020-8664 impact CNCF Envoy?
CVE-2020-8664 can lead to the 'static' part of the validation context not being applied, causing incorrect Access Control when using SDS with Combined Validation Context.
How can I fix CVE-2020-8664?
To fix CVE-2020-8664, update CNCF Envoy to version 1.13.1 or higher.
Where can I find more information about CVE-2020-8664?
You can find more information about CVE-2020-8664 in the Red Hat advisory [RHSA-2020:0734](https://access.redhat.com/errata/RHSA-2020:0734) and the Envoy security advisory [GHSA-3x9m-pgmg-xpx8](https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8)

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agent/softwarecombine
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agent/weakness
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collector/redhat-bugzilla
source/Red Hat
alias/CVE-2020-8664
agent/software-canonical-lookup
agent/tags
agent/event
collector/mitre-cve
source/MITRE
vendor/cncf
canonical/cncf envoy
version/cncf envoy/1.13.0
package-manager/redhat

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