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CVE-2020-12604

7.5 · HIGH

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consu…

Published Jul 1, 2020CWE-401EPSS 1.70%

Overview

CVE-2020-12604 is a high-severity vulnerability. It was published on July 1, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/envoyproxy/envoy/commits/masterGitHubgithub.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvxGitHubgithub.com/envoyproxy/envoy/commits/masterGitHubgithub.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvx

How CyberStrike helps

Frequently asked questions

What is CVE-2020-12604?

CVE-2020-12604 is a high-severity vulnerability. It was published on July 1, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-12604?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-12604?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-12604?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-12604 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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