{"api_version":"1","generated_at":"2026-04-23T06:58:45+00:00","cve":"CVE-2018-0231","urls":{"html":"https://cve.report/CVE-2018-0231","api":"https://cve.report/api/cve/CVE-2018-0231.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-0231","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0231"},"summary":{"title":"CVE-2018-0231","description":"A vulnerability in the Transport Layer Security (TLS) library of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of the affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious TLS message to an interface enabled for Secure Layer Socket (SSL) services on an affected device. 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