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CVE-2020-8287 Node.js

Affected softwareNode.js
Severity6.5 Medium CVSS 3.1 2 scores
WeaknessCWE-444
Published6 Jan 2021
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. The 1 repository below are public GitHub repositories with fewer than 5 stars.
  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 1 indexed, none at 5+ stars
  • EPSS 16% chance in 30 days A model's forecast, not a report of exploitation. Higher than 97% of all scored CVEs.

1 of these are GitHub repositories with fewer than 5 stars. They are listed for reference and don't count toward the exploitation status above.

IndexArtifactStarsFirst seen
GitHub PoC PoC of HTTP Request Smuggling in nodejs (CVE-2020-8287) 2 2021-01-05

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

6.5 MEDIUM v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N NVD Primary published
CVSS 2.0 6.4 none AV:N/AC:L/Au:N/C:P/I:P/A:N NVD Primary

Affected software and releases

Products and versions

5 products, 10 version entries
SourceVendorProductSchemeAffected versions
nvd debian debian linux generic 10.0
nvd fedoraproject fedora generic 32 · 33
nvd nodejs node.js generic ≥ 10.0.0 and ＜ 10.23.1 · ≥ 12.0.0 and ＜ 12.20.1 · ≥ 14.0.0 and ＜ 14.15.4 · ≥ 15.0.0 and ＜ 15.5.1
nvd oracle graalvm javase 19.3.4 · 20.3.0
nvd siemens sinec infrastructure network services generic ＜ 1.0.1.1

Earlier manual review

A reviewer classified this CVE in an older dataset. We kept the labels and products below, but not the reviewer's reasoning.

## Manual Classification Context **Products:** NODEJS

References

URLTags
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
https://hackerone.com/reports/1002188 Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00009.html Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H472D5HPXN6RRXCNFML3BK5OYC52CXF2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4I6MZNC7C7VIDQR267OL4TVCI3ZKAC4/
https://nodejs.org/en/blog/vulnerability/january-2021-security-releases/ Patch, Vendor Advisory
https://security.gentoo.org/glsa/202101-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210212-0003/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4826 Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Third Party Advisory

Timeline
Published2021-01-06By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.