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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS vty Authentication Flaw Lets Remote Users Access the System
SecurityTracker Alert ID:  1029537
SecurityTracker URL:  http://securitytracker.com/id/1029537
CVE Reference:   CVE-2013-6979   (Links to External Site)
Date:  Dec 27 2013
Impact:   User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IOS XE 03.02.xxSE and 03.03.xxSE only
Description:   A vulnerability was reported in Cisco IOS XE. A remote user can gain access to the target system.

A remote user on a 192.168.x.2 subnet can exploit a flaw in the vty authentication to gain access to the target device with the privileges of the vty line interface.

The vendor has assigned bug ID CSCuj90227 to this vulnerability.

Impact:   A remote user can gain access to the target system with vty line interface privileges.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979 (Links to External Site)
Cause:   Authentication error

Message History:   None.


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