MEDIUM

CVE-2020-8287

CVSS v3

6.5

MEDIUM

EPSS Score

16.3 %

exploit probability, as of 2026-10-17

CISA KEV

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for node. Watch node in CVE Watch Free account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

nodeBitnamifrom 10.0.0 · fixed in 10.23.1and 1 other package
nodejs-nodemonAlmaLinux:8all versions · fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
nodejs-packagingAlmaLinux:8all versions · fixed in 23-3.module_el8.4.0+2522+3bd42762

Vendor advisories

CVE-2020-8287 Red Hat Product Security242 products fixed
nodejs: HTTP request smuggling via two copies of a header field in an http request
ICSA-22-111-03 CISA1 known affected
Hitachi Energy MicroSCADA Pro/X SYS600
SYS600: Versions 10.1.1 and prior
ICSA-22-069-09 CISA1 known affected
Siemens SINEC INS
SINEC INS
SSA-389290 Siemens ProductCERT1 known affected
SSA-389290: Third-Party Component Vulnerabilities in SINEC INS
SINEC INS
RHSA-2021:0551 Red Hat Product Security30 products fixed
Red Hat Security Advisory: nodejs:14 security and bug fix update
RHSA-2021:0549 Red Hat Product Security30 products fixed
Red Hat Security Advisory: nodejs:12 security update

4 more advisories

Full record on NVD

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.

Technical details

Published: 2021-01-06

Frequently asked questions

What is CVE-2020-8287?

Is CVE-2020-8287 actively exploited?

Active exploitation of CVE-2020-8287 has not been confirmed. Its EPSS score was 16.3% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8287?

CVE-2020-8287 has a CVSS v3 base score of 6.5 (MEDIUM severity).

Running node? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

Already have an account? Open CVE WatchNo credit card required · 50 free checks/month · Free API key

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? CVE Watch alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database