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Cisco Bug: CSCvh75886 - Cisco FXOS and NX-OS Software Unauthorized Directory Access Vulnerability

Last Modified

Oct 09, 2019

Products (18)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco MDS 9710 Multilayer Director
  • Cisco MDS 9396T 32-Gbps 96-Port Fibre Channel Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco MDS 9148S 16G Multilayer Fabric Switch
  • Cisco MDS 9250i Multiservice Fabric Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
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Known Affected Releases

7.0(3)I7(2) 8.2(1)

Description (partial)

<B>Symptom:</B>
A vulnerability in the file system permissions of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to access sensitive information that is stored in the file system of an affected system.

The vulnerability is due to improper implementation of file system permissions. An attacker could exploit this vulnerability by accessing and modifying restricted files. A successful exploit could allow the attacker to access sensitive and critical files.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-directory

<B>Conditions:</B>
Please refer to the Security Advisory.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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