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Vulnerability of Spring Security: information disclosure via CBC Null Initialization Vector

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via CBC Null Initialization Vector of Spring Security, in order to obtain sensitive information.
Vulnerable systems: QRadar SIEM, Oracle Communications.
Severity of this threat: 2/4.
Creation date: 08/10/2020.
Références of this weakness: 6344075, cpuoct2020, CVE-2020-5408, VIGILANCE-VUL-33518.

Description of the vulnerability 

An attacker can bypass access restrictions to data via CBC Null Initialization V...
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This computer vulnerability announce impacts software or systems such as QRadar SIEM, Oracle Communications.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of intranet server.

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

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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