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Vulnerability Score 5.0 5.0
CVE Id CVE-2003-1132
Last Modified 05 Sep 2008 04:36:07
Published 31 Dec 2003 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.

Vulnerable Systems


CERT-VN - VU#714121

CISCO - 20041008 Cisco Content Service Switch 11000 Series DNS Negative Cache of Information Denial-of-Service Vulnerability

Last Updated: 27 May 2016 10:38:14