{"id":"CVE-2013-1147","aliases":["EUVD-2013-1187","GHSA-4p29-f3rw-9cmg"],"status":"published","title":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3,...","description":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01328,"percentile":0.7121,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2013-03-28T23:00:00Z","modified":"2026-06-16T23:50:55Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-pt","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1147"},{"url":"https://github.com/advisories/GHSA-4p29-f3rw-9cmg"}],"sources":{"cve":[{"id":"CVE-2013-1147","description":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.","status":"published","published":"2013-03-28T23:00:00Z","modified":"2024-09-16T17:28:14.226Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2013-1187","description":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.","status":"published","published":"2013-03-28T23:00:00Z","modified":"2024-09-16T17:28:14Z","updated_at":"2026-11-03T00:55:41.925187Z"}],"ghsa":[{"id":"GHSA-4p29-f3rw-9cmg","title":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3,...","description":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.","status":"published","published":"2022-05-17T05:12:25Z","modified":"2023-01-28T05:03:28Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:58.944932Z"}],"nvd":[{"id":"CVE-2013-1147","description":"The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.","status":"published","published":"2013-03-28T23:55:01.627Z","modified":"2026-06-16T23:50:55.243Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:24.091325Z"}]}}