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Vulnerability of Cisco Catalyst 6800: privilege escalation via Secure Boot Bypass

Synthesis of the vulnerability 

An attacker can bypass restrictions via Secure Boot Bypass of Cisco Catalyst 6800, in order to escalate his privileges.
Vulnerable software: Cisco Catalyst, IOS by Cisco.
Severity of this announce: 2/4.
Creation date: 27/09/2018.
Références of this computer vulnerability: CERTFR-2018-AVI-458, cisco-sa-20180926-catalyst6800, CSCvc16091, CVE-2018-15370, VIGILANCE-VUL-27325.

Description of the vulnerability 

An attacker can bypass restrictions via Secure Boot Bypass of Cisco Catalyst 6800, in order to escalate his privileges.
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This computer vulnerability bulletin impacts software or systems such as Cisco Catalyst, IOS by Cisco.

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

The trust level is of type confirmed by the editor, with an origin of physical access.

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

Solutions for this threat 

Cisco Catalyst 6800: solution CSCvc16091.
The solution is described on the Cisco site:
  https://tools.cisco.com/bugsearch/bug/CSCvc16091
  https://tools.cisco.com/quickview/bug/CSCvc16091
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