MEDIUM · 4.8

CVE-2020-10687

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 c...

Vulnerability 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.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
RedhatUndertow< 2.2.0
RedhatJboss Enterprise Application Platform-
RedhatSingle Sign-On-
RedhatEnterprise Linux6.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-10687?

CVE-2020-10687 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 c...

How severe is CVE-2020-10687?

CVE-2020-10687 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-10687?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Undertow, Redhat Jboss Enterprise Application Platform, Redhat Single Sign-On, Redhat Enterprise Linux.