CVE-2021-20220

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 23-02-2021 07:15

Last modified: - 22-02-2022 03:53

Total changes: - 4

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.

Common Vulnerability Scoring System (CVSS)

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

High

Attack complexity

Network

Attack vector

None

Availability

Low

Confidentiality

Low

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

4.8

Base score

2.2

2.5

Exploitability score

Impact score

Verification logic

vendor=Red Hat Enterprise Linux AND product=undertow AND versionEndExcluding=2.0.34

vendor=Red Hat Enterprise Linux AND product=undertow AND versionStartIncluding=2.1.0 AND versionEndExcluding=2.1.6

vendor=netapp AND product=active_iq_unified_manager AND version=- AND target_software=linux

vendor=netapp AND product=active_iq_unified_manager AND version=- AND target_software=vmware_vsphere

vendor=netapp AND product=active_iq_unified_manager AND version=- AND target_software=windows

vendor=netapp AND product=oncommand_workflow_automation AND version=-

Reference

Keywords

CVE-2021-20220

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-20220

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures