CVE-2020-10687

Medium

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.

SeverityMedium
CVSS4.8
Exploit probability—
ProductRedhat Undertow
PublishedSep 23, 2020
First seenSep 23, 2020
Weakness typeCWE-444CWE-444

How to fix

Update
  • redhat undertow2.2.0 or later
  • io.undertow:undertow-core2.2.0.Final or later

Affected products

ProductAffected versionsFixed in
redhat undertowv < 2.2.02.2.0
redhat jboss_enterprise_application_platformNo range specified, 7.2, 7.3, 7.4—
redhat single_sign-onNo range specified—
io.undertow:undertow-coreMavenv < 2.2.0.Final2.2.0.Final

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