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CVE-2017-20005

9.8 · CRITICAL

NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date…

Published Jun 6, 2021CWE-190EPSS 3.26%

Overview

CVE-2017-20005 is a critical-severity vulnerability. It was published on June 6, 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

NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.

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

Refnginx.org/en/CHANGESGitHubgithub.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccfGitHubgithub.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4bReflists.debian.org/debian-lts-announce/2021/06/msg00009.htmlRefsecurity.netapp.com/advisory/ntap-20210805-0006/Reftrac.nginx.org/nginx/ticket/1368Refnginx.org/en/CHANGESGitHubgithub.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccfGitHubgithub.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4bReflists.debian.org/debian-lts-announce/2021/06/msg00009.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-20005?

CVE-2017-20005 is a critical-severity vulnerability. It was published on June 6, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2017-20005?

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-2017-20005?

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-2017-20005?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-20005 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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