CVE-2022-42252

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/11/2022

Last modified:

06/05/2025

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.

Impact

Vector 3.x

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	8.5.0 (including)	8.5.83 (excluding)
cpe:2.3:a:apache:tomcat::::::::	9.0.0 (including)	9.0.68 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.0.0 (including)	10.0.27 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-42252

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools