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Vulnerability of Cisco NX-OS: denial of service via Fabric Services over IP

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Fabric Services over IP of Cisco NX-OS, in order to trigger a denial of service.
Vulnerable systems: Nexus by Cisco, NX-OS.
Severity of this threat: 2/4.
Creation date: 29/08/2019.
Références of this weakness: CERTFR-2019-AVI-414, cisco-sa-20190828-nxos-fsip-dos, CSCva64492, CSCvj59058, CSCvk70625, CSCvk70631, CSCvk70632, CSCvk70633, CVE-2019-1962, VIGILANCE-VUL-30188.

Description of the vulnerability 

An attacker can trigger a fatal error via Fabric Services over IP of Cisco NX-OS, in order to trigger a denial of service.
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This vulnerability bulletin impacts software or systems such as Nexus by Cisco, NX-OS.

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

Solutions for this threat 

Cisco NX-OS: solution CSCva64492 CSCvj59058 CSCvk70625 CSCvk70631 CSCvk70632 CSCvk70633.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCva64492
  https://tools.cisco.com/bugsearch/bug/CSCva64492
  https://tools.cisco.com/quickview/bug/CSCva64492
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj59058
  https://tools.cisco.com/bugsearch/bug/CSCvj59058
  https://tools.cisco.com/quickview/bug/CSCvj59058
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70625
  https://tools.cisco.com/bugsearch/bug/CSCvk70625
  https://tools.cisco.com/quickview/bug/CSCvk70625
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70631
  https://tools.cisco.com/bugsearch/bug/CSCvk70631
  https://tools.cisco.com/quickview/bug/CSCvk70631
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70632
  https://tools.cisco.com/bugsearch/bug/CSCvk70632
  https://tools.cisco.com/quickview/bug/CSCvk70632
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70633
  https://tools.cisco.com/bugsearch/bug/CSCvk70633
  https://tools.cisco.com/quickview/bug/CSCvk70633
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