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Vulnerability of Cisco NX-OS: privilege escalation via Filesystem Access

Synthesis of the vulnerability 

An attacker can bypass restrictions via Filesystem Access of Cisco NX-OS, in order to escalate his privileges.
Vulnerable products: Nexus by Cisco, NX-OS.
Severity of this weakness: 2/4.
Creation date: 20/03/2019.
Références of this bulletin: cisco-sa-20190306-nxos-file-access, CSCvi42317, CSCvi42331, CSCvi96476, CSCvi96478, CSCvi96486, CVE-2019-1601, VIGILANCE-VUL-28782.

Description of the vulnerability 

An attacker can bypass restrictions via Filesystem Access of Cisco NX-OS, in order to escalate his privileges.
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This weakness note impacts software or systems such as Nexus by Cisco, NX-OS.

Our Vigil@nce team determined that the severity of this threat 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 computer weakness.

Solutions for this threat 

Cisco NX-OS: solution CSCvi42317 CSCvi42331 CSCvi96476 CSCvi96478 CSCvi96486.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi42317
  https://tools.cisco.com/bugsearch/bug/CSCvi42317
  https://tools.cisco.com/quickview/bug/CSCvi42317
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi42331
  https://tools.cisco.com/bugsearch/bug/CSCvi42331
  https://tools.cisco.com/quickview/bug/CSCvi42331
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi96476
  https://tools.cisco.com/bugsearch/bug/CSCvi96476
  https://tools.cisco.com/quickview/bug/CSCvi96476
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi96478
  https://tools.cisco.com/bugsearch/bug/CSCvi96478
  https://tools.cisco.com/quickview/bug/CSCvi96478
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi96486
  https://tools.cisco.com/bugsearch/bug/CSCvi96486
  https://tools.cisco.com/quickview/bug/CSCvi96486
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