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Vulnerability of Apache Tomcat: information disclosure via HTTP/2 Concurrent Streams Request Mix-up

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via HTTP/2 Concurrent Streams Request Mix-up of Apache Tomcat, in order to obtain sensitive information.
Impacted software: Tomcat, Debian, SUSE Linux Enterprise Desktop, SLES.
Severity of this computer vulnerability: 2/4.
Creation date: 12/10/2020.
Références of this announce: CVE-2020-13943, DLA-2407-1, SUSE-SU-2020:2996-1, VIGILANCE-VUL-33544.

Description of the vulnerability 

An attacker can bypass access restrictions to data via HTTP/2 Concurrent Streams...
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This weakness impacts software or systems such as Tomcat, Debian, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this vulnerability announce is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this threat bulletin.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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