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Vulnerability of Cisco Nexus 9000 ACI: privilege escalation via File Background Operations

Synthesis of the vulnerability 

An attacker can bypass restrictions via File Background Operations of Cisco Nexus 9000 ACI, in order to escalate his privileges.
Impacted products: Nexus by Cisco, NX-OS.
Severity of this bulletin: 2/4.
Creation date: 02/05/2019.
Références of this threat: cisco-sa-20190501-aci-hw-clock-util, CSCvm64104, CVE-2019-1592, VIGILANCE-VUL-29181.

Description of the vulnerability 

An attacker can bypass restrictions via File Background Operations of Cisco Nexus 9000 ACI, in order to escalate his privileges.
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This threat note impacts software or systems such as Nexus by Cisco, NX-OS.

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

Solutions for this threat 

Cisco Nexus 9000 ACI: solution CSCvm64104.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvm64104
  https://tools.cisco.com/bugsearch/bug/CSCvm64104
  https://tools.cisco.com/quickview/bug/CSCvm64104
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