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Vulnerability of Cisco Nexus 9000 ACI: privilege escalation via Insecure Fabric Authentication

Synthesis of the vulnerability 

An attacker can bypass restrictions via Insecure Fabric Authentication of Cisco Nexus 9000 ACI, in order to escalate his privileges.
Impacted software: Nexus by Cisco, NX-OS.
Severity of this computer vulnerability: 3/4.
Creation date: 02/05/2019.
Références of this announce: cisco-sa-20190501-aci-insecure-fabric, CSCvn09791, CVE-2019-1590, VIGILANCE-VUL-29182.

Description of the vulnerability 

An attacker can bypass restrictions via Insecure Fabric Authentication of Cisco Nexus 9000 ACI, in order to escalate his privileges.
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This threat announce impacts software or systems such as Nexus by Cisco, NX-OS.

Our Vigil@nce team determined that the severity of this cybersecurity alert is important.

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

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

Solutions for this threat 

Cisco Nexus 9000 ACI: solution CSCvn09791.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn09791
  https://tools.cisco.com/bugsearch/bug/CSCvn09791
  https://tools.cisco.com/quickview/bug/CSCvn09791
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Computer vulnerabilities tracking service 

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