CVE-2021-20220 – io.undertow:undertow-core

Package

Manager: maven
Name: io.undertow:undertow-core
Vulnerable Version: >=2.1.0 <2.1.6 || >=0 <2.0.34

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: 0.0031 pctl0.53613

Details

HTTP request smuggling in Undertow 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.

Metadata

Created: 2021-06-16T17:47:52Z
Modified: 2022-02-11T21:11:27Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/06/GHSA-qjwc-v72v-fq6r/GHSA-qjwc-v72v-fq6r.json
CWE IDs: ["CWE-444"]
Alternative ID: GHSA-qjwc-v72v-fq6r
Finding: F110
Auto approve: 1