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CVE-2020-36363

9.8 · CRITICAL

Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.

Published Aug 12, 2021CWE-327EPSS 0.71%

Overview

CVE-2020-36363 is a critical-severity vulnerability. It was published on August 12, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be weak ciphers.

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

Refaws.amazon.com/about-aws/whats-new/2020/07/cloudfront-tls-security-policy/Refstackoverflow.com/questions/62071604Refaws.amazon.com/about-aws/whats-new/2020/07/cloudfront-tls-security-policy/Refstackoverflow.com/questions/62071604

How CyberStrike helps

Frequently asked questions

What is CVE-2020-36363?

CVE-2020-36363 is a critical-severity vulnerability. It was published on August 12, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-36363?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-36363?

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-2020-36363?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-36363 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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