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CVE-2022-42252

Apache Tomcat request smuggling via malformed content-length

Published: Nov 1, 2022Updated: May 6, 2025 Sources: CVE List NVD GHSA BDUCWE-444
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.4%
Top 30.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache Tomcat may reject request containing invalid Content-Length header

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-444

Affected Products

org.apache.tomcat.embed:tomcat-embed-coreMavenOSS Libraries
org.apache.tomcat:tomcat-coyoteMavenOSS Libraries
Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
mavenpackage-ecosystemOSS Libraries
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
red hat inc.commercialUSOperating Systemsaka red hat
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2022-42252
nvd.nist.gov
https://github.com/apache/tomcat/commit/0d089a15047faf9cb3c82f80f4d28febd4798920
github.com
https://github.com/apache/tomcat/commit/4c7f4fd09d2cc1692112ef70b8ee23a7a037ae77
github.com
and 14 more references View all →

Timeline

Published
Nov 1, 2022
Last Updated
May 6, 2025

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