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CVE-2022-42252

nvd nist
Published: Nov 1, 2022Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.

Affected (4)

Products: Apache: Tomcat
Apache
1 product
Tomcat
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Apache
Tomcat
From 10.0.0 to 10.0.27
Tomcat
From 10.1.0 to 10.1.1
Tomcat
From 8.5.0 to 8.5.83
Tomcat
From 9.0.0 to 9.0.68

Related CWEs

CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

References (4)

Source: security@apache.org
Mailing ListVendor Advisory
Source: security@apache.org
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

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