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Vulnerability of Cisco Nexus 9000: denial of service via Endpoint Learning

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Endpoint Learning of Cisco Nexus 9000, in order to trigger a denial of service.
Vulnerable products: Nexus by Cisco, NX-OS.
Severity of this weakness: 2/4.
Creation date: 29/08/2019.
Références of this bulletin: CERTFR-2019-AVI-414, cisco-sa-20190828-nexus-aci-dos, CSCvi11291, CVE-2019-1977, VIGILANCE-VUL-30186.

Description of the vulnerability 

An attacker can trigger a fatal error via Endpoint Learning of Cisco Nexus 9000, in order to trigger a denial of service.
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This computer weakness bulletin impacts software or systems such as Nexus by Cisco, NX-OS.

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

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 threat announce.

Solutions for this threat 

Cisco Nexus 9000: solution CSCvi11291.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi11291
  https://tools.cisco.com/bugsearch/bug/CSCvi11291
  https://tools.cisco.com/quickview/bug/CSCvi11291
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