CVE-2020-8287 Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 allow two copies of a header field in an HTTP request (for example, two Transfer-E

What is CVE-2020-8287?

CVE-2020-8287 is a medium-severity vulnerability in Debian Debian Linux, published on 6 Jan 2021.

Official description

Node.js versions before 10.23.1, 12.20.1, 14.15.4, 15.5.1 allow two copies of a header field in an HTTP request (for example, two Transfer-Encoding header fields). In this case, Node.js identifies the first header field and ignores the second. This can lead to HTTP Request Smuggling.

Weakness: CWE-444

Which versions are affected by CVE-2020-8287?

2 open source packages ship an affected version, including node and node-min. It affects 5 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Nodejs Node.js, Oracle Graalvm, Siemens Sinec Infrastructure Network Services.

How do I fix CVE-2020-8287?

Upgrade node to a fixed version for your release line: 10.23.1, 12.20.1, 14.15.4 or 15.5.1.

Is CVE-2020-8287 being exploited?

There is no known exploitation of CVE-2020-8287 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-8287, BIT-node-2020-8287, BIT-node-min-2020-8287, CLEANSTART-2026-LT93130, CLEANSTART-2026-TY43292, DEBIAN-CVE-2020-8287 and 8 more.