CVE-2020-10687

Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests

Published Sep 23, 2020 CVSS 3.1 · 4.8 Medium EPSS 1.2% KEV · Not listed
Description
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-0851 A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
Github GHSA Github GHSA GHSA-p9w3-gwc2-cr49 HTTP Request Smuggling in Undertow
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 11:06 AM
Reserved
Mar 20, 2020, 12:00 AM
Status
Modified
Published
Sep 23, 2020, 1:15 PM
Modified
Jun 17, 2026, 2:48 AM
Severity
Moderate
Public date
Apr 15, 2020, 12:00 AM