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tomcat: incorrectly parsed http trailer headers can cause request smuggling

🗓️ 15 Nov 2023 17:07:49Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Tomcat flaw allows invalid trailer headers to be treated as requests, risking request smuggling.

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Detection
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GithubExploit		Exploit for CVE-2020-1938
29 Nov 202508:31
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IBM Security Bulletins		Security Bulletin: IBM Operational Decision Manager November 2023 - Multiple CVEs addressed
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IBM Security Bulletins		Security Bulletin: IBM Rational Build Forge 8.0.0.25 addresses multiple vulnerabilities
24 Nov 202313:49
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IBM Security Bulletins		Security Bulletin: IBM DevOps Release 7.0.0 addresses multiple vulnerabilities.
4 Jan 202407:16
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IBM Security Bulletins		Security Bulletin: due to the use of Apache Tomcat, IBM webMethods developer portal is affected by Multiple Vulnerabilities
30 Sep 202510:47
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IBM Security Bulletins		Security Bulletin: [All] Apache Tomcat (core only) - CVE-2023-45648 (Publicly disclosed vulnerability)
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IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Network Automation 2.6.5 fixes multiple security vulnerabilities
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18 Jul 2026 20:03Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.3
EPSS0.05848
SSVC
CWE-20
Tomcattrailer headersinput validation flawrequest smugglingreverse proxy
3