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Vulnerability of Cisco IOS XR: code execution via Command Injection

Synthesis of the vulnerability 

An attacker can use a vulnerability via Command Injection of Cisco IOS XR, in order to run code.
Vulnerable software: Cisco ASR, IOS XR Cisco, Cisco Router.
Severity of this announce: 2/4.
Creation date: 07/04/2021.
Références of this computer vulnerability: CERTFR-2021-AVI-246, cisco-sa-xr-cmdinj-vsKGherc, CSCvu63474, CVE-2021-1485, VIGILANCE-VUL-35029.

Description of the vulnerability 

An attacker can use a vulnerability via Command Injection of Cisco IOS XR, in order to run code.
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This computer threat announce impacts software or systems such as Cisco ASR, IOS XR Cisco, Cisco Router.

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

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

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

Solutions for this threat 

Cisco IOS XR: solution CSCvu63474.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu63474
  https://tools.cisco.com/bugsearch/bug/CSCvu63474
  https://tools.cisco.com/quickview/bug/CSCvu63474
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