CVE-2020-8201

nodejs: HTTP request smuggling due to CR-to-Hyphen conversion

Published Sep 18, 2020 CVSS 3.1 · 7.4 High EPSS 5.3% KEV · Not listed
Description
Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-29078 Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Apr 30, 2025, 10:24 PM
Reserved
Jan 28, 2020, 12:00 AM
Status
Modified
Published
Sep 18, 2020, 9:15 PM
Modified
Jun 17, 2026, 3:26 AM
Severity
Moderate
Public date
Sep 15, 2020, 12:00 AM