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prionPRIOn knowledge basePRION:CVE-2023-45648
HistoryOct 10, 2023 - 7:15 p.m.

Input validation

2023-10-1019:15:00
PRIOn knowledge base
www.prio-n.com
33
input validation
apache tomcat
vulnerability
request smuggling
http trailer headers
upgrade
nvd

6.1 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.6%

Improper Input Validation vulnerability in Apache Tomcat.Tomcatย from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially
crafted, invalid trailer header could cause Tomcat to treat a single
request as multiple requests leading to the possibility of request
smuggling when behind a reverse proxy.

Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.