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Category:   Device (Router/Bridge/Hub)  >   Cisco NX-OS Vendors:   Cisco
Cisco NX-OS Lets Local Users Bypass TACACS+ Authorization to Execute Commands
SecurityTracker Alert ID:  1029690
SecurityTracker URL:
CVE Reference:   CVE-2014-0676   (Links to External Site)
Date:  Jan 28 2014
Impact:   User access via local system
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco NX-OS. A local user can obtain elevated privileges on the target system.

A local user can execute a specially crafted sequence of multiple commands to exploit a TACACS+ command authorization bug and execute commands without proper authorization.

The vendor has assigned bug ID CSCum47367 to this vulnerability.

Impact:   A local user can bypass TACACS+ authorization to execute commands.
Solution:   No solution was available at the time of this entry.

The vendor has described a workaround.

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

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