{"api_version":"1","generated_at":"2026-07-23T19:45:47+00:00","cve":"CVE-2023-20042","urls":{"html":"https://cve.report/CVE-2023-20042","api":"https://cve.report/api/cve/CVE-2023-20042.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-20042","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-20042"},"summary":{"title":"CVE-2023-20042","description":"A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an implementation error within the SSL/TLS session handling process that can prevent the release of a session handler under specific conditions. An attacker could exploit this vulnerability by sending crafted SSL/TLS traffic to an affected device, increasing the probability of session handler leaks. 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