CVE-2021-20220

State
Published
Severity
Not scored
Published
Feb 23, 2021
Updated
Aug 3, 2024
Reserved
Dec 17, 2020

Read the record on cve.org

Description

A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. 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. The highest threat from this vulnerability is to data confidentiality and integrity.

Scores

The record has no CVSS score.

Weaknesses

Affected Products

ProductVersions
undertown/a
  • Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.FinalAffected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.