{"cve":"CVE-2013-1243","nvd":{"published":"2013-07-18T12:48:56.927","modified":"2026-06-16T23:51:04.467","status":"Modified","description":"The IP stack in Cisco Intrusion Prevention System (IPS) Software in ASA 5500-X IPS-SSP software and hardware modules before 7.1(5)E4, IPS 4500 sensors before 7.1(6)E4, and IPS 4300 sensors before 7.1(5)E4 allows remote attackers to cause a denial of service (MainApp process hang) via malformed IPv4 packets, aka Bug ID CSCtx18596.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130717-ips","http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130717-ips"],"products":["cisco:asa_5500-x_series_ips_ssp_software","cisco:asa_5585-x","cisco:idsm-2","cisco:intrusion_prevention_system","cisco:ips_4345_sensor","cisco:ips_4360_sensor","cisco:ips_4510_sensor","cisco:ips_4520_sensor","cisco:ips_nme"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-1243","score":0.01328,"percentile":0.71022,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}