{"id":"CVE-2003-1132","aliases":["EUVD-2003-1122","GHSA-f72v-gxpf-mxwx"],"status":"published","title":"The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a...","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02115,"percentile":0.81948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:35Z","products":[{"vendor":"cisco","product":"content_services_switch_11000"},{"vendor":"cisco","product":"content_services_switch_11500"}],"references":[{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20030430-dns.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/714121","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-1132"},{"url":"https://github.com/advisories/GHSA-f72v-gxpf-mxwx"}],"sources":{"cve":[{"id":"CVE-2003-1132","description":"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.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-09-16T16:18:43.199Z","updated_at":"2026-11-02T14:20:16.072351Z"}],"euvd":[{"id":"EUVD-2003-1122","description":"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.","status":"published","published":"2005-04-21T04:00:00Z","modified":"2024-09-16T16:18:43Z","updated_at":"2026-11-03T00:55:52.590586Z"}],"ghsa":[{"id":"GHSA-f72v-gxpf-mxwx","title":"The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a...","description":"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.","status":"published","published":"2022-04-29T01:27:33Z","modified":"2023-01-30T05:01:59Z","updated_at":"2026-11-02T14:46:32.185763Z"}],"nvd":[{"id":"CVE-2003-1132","description":"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.","status":"published","published":"2003-12-31T05:00:00Z","modified":"2026-06-16T22:03:35.04Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}]}}