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Vulnerability of Cisco IOS XE: privilege escalation via Privileged EXEC Mode Root Shell

Synthesis of the vulnerability 

An attacker can bypass restrictions via Privileged EXEC Mode Root Shell of Cisco IOS XE, in order to escalate his privileges.
Vulnerable systems: Cisco ASR, Cisco Catalyst, IOS XE Cisco, Cisco Router.
Severity of this threat: 2/4.
Creation date: 27/09/2018.
Références of this weakness: CERTFR-2018-AVI-458, cisco-sa-20180926-privesc, CSCuw45594, CVE-2018-15368, VIGILANCE-VUL-27338.

Description of the vulnerability 

An attacker can bypass restrictions via Privileged EXEC Mode Root Shell of Cisco IOS XE, in order to escalate his privileges.
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This computer weakness impacts software or systems such as Cisco ASR, Cisco Catalyst, IOS XE Cisco, Cisco Router.

Our Vigil@nce team determined that the severity of this vulnerability note 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 threat.

Solutions for this threat 

Cisco IOS XE: solution CSCuw45594.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuw45594
  https://tools.cisco.com/bugsearch/bug/CSCuw45594
  https://tools.cisco.com/quickview/bug/CSCuw45594
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Computer vulnerabilities tracking service 

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