Published:2009/05/29  Last Updated:2009/05/29

Directory traversal vulnerability in multiple Cisco Systems products


Multiple products provided by Cisco Systems contain a directory traversal vulnerablility.

Products Affected

  • CiscoWorks Common Services 3.0.x
  • CiscoWorks Common Services 3.1.x
  • CiscoWorks Common Services 3.2.x
Products are affected when the above software is being run on Windows with the TFTP service enabled. For more information, refer to the vendor's website.

Note that the Solaris version is not affected.


Multiple Cisco Systems products are vulnerable to directory traversal due to an issue in CiscoWorks Common Services.


A remote attacker could view or alter files on the target server.


Update the software
Update to the latest version of CiscoWorks Common Services according the information provided by the vendor.

As a workaround to this vulnerability, disable the TFTP service until the software is updated.


  1. IPA
    Security Alert for Vulnerability in Multiple Cisco Systems Products

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.05.29

Measures Conditions Severity
Access Required Routed - can be attacked over the Internet using packets
  • High
Authentication None - anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required None - the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity Low - little to no expertise and/or luck required to exploit (cross-site scripting)
  • High

Description of each analysis measures


Jun Okada of NTT DATA SECURITY CORPORATION reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2009-1161
JVN iPedia JVNDB-2009-000032

Update History