CVE-2003-1132: n/a vulnerability

CVE-2003-1132: The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 16:18 UTC (UTC+00:00)

Security readout for executives and security teams

Cisco Content Service Switch DNS behavior could make a domain appear nonexistent to other DNS servers. If exploited, users or services may be unable to reach affected domains until cached negative DNS responses expire. Exposure is most likely where Cisco CSS 11000 or 11500 devices provide DNS service for domains. This is legacy infrastructure, so modern exposure may be limited, but asset inventories should confirm whether these platforms or their DNS role remain active. Prioritize if these legacy Cisco CSS devices still support production DNS. The business risk is service unreachability rather than data theft, but customer-facing domains could be affected. Mitigation focus: Identify any Cisco CSS 11000 or 11500 devices providing DNS service.; Review Cisco advisory and CERT VU#714121 for vendor-confirmed fixes or workarounds.; Retire or replace unsupported legacy CSS DNS functionality where feasible..

Prepared: Jun 29, 2026, 22:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 21, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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