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Vulnerability of Cisco: overwrite of the firmware image

Synthesis of the vulnerability 

A local authenticated attacker can replace the firmware image of Cisco devices, in order to get full control of the device.
Vulnerable software: Cisco ASR, ASA, Cisco Catalyst, IOS XE Cisco, Nexus by Cisco, NX-OS, Cisco Router.
Severity of this announce: 3/4.
Creation date: 14/05/2019.
Références of this computer vulnerability: cisco-sa-20190513-secureboot, CVE-2019-1649, VIGILANCE-VUL-29281, VU#400865.

Description of the vulnerability 

A local authenticated attacker can replace the firmware image of Cisco devices, in order to get full control of the device.
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This security weakness impacts software or systems such as Cisco ASR, ASA, Cisco Catalyst, IOS XE Cisco, Nexus by Cisco, NX-OS, Cisco Router.

Our Vigil@nce team determined that the severity of this threat bulletin is important.

The trust level is of type confirmed by the editor, with an origin of user console.

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

Cisco: solution for Secure Boot.
The solution is indicated in information sources.
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