{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-20339", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-20339", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-10-23T17:09:01.598Z", "updatedAt": "2024-10-24T16:16:52.824Z", "importedAt": "2026-10-24T01:57:07.518Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability", "summary": "A vulnerability in the TLS processing feature of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to an issue that occurs when TLS traffic is processed. An attacker could exploit this vulnerability by sending certain TLS traffic over IPv4 through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition and impacting traffic to and through the affected device.", "affected": [ { "vendor": "Cisco", "product": "Cisco Firepower Threat Defense Software", "defaultStatus": "unknown", "versions": [ { "version": "6.2.3", "status": "affected" }, { "version": "6.2.3.9", "status": "affected" }, { "version": "6.2.3.1", "status": "affected" }, { "version": "6.2.3.2", "status": "affected" }, { "version": "6.2.3.10", "status": "affected" }, { "version": "6.4.0", "status": "affected" }, { "version": "6.4.0.3", "status": "affected" }, { "version": "6.4.0.4", "status": "affected" }, { "version": "6.2.3.15", "status": "affected" }, { "version": "6.2.3.6", "status": "affected" }, { "version": "6.2.3.7", "status": "affected" }, { "version": "6.2.3.12", "status": "affected" }, { "version": "6.2.3.3", "status": "affected" }, { "version": "6.2.3.11", "status": "affected" }, { "version": "6.4.0.6", "status": "affected" }, { "version": "6.2.3.13", "status": "affected" }, { "version": "6.2.3.8", "status": "affected" }, { "version": "6.2.3.4", "status": "affected" }, { "version": "6.4.0.1", "status": "affected" }, { "version": "6.2.3.5", "status": "affected" }, { "version": "6.4.0.5", "status": "affected" }, { "version": "6.2.3.14", "status": "affected" }, { "version": "6.4.0.2", "status": "affected" }, { "version": "6.4.0.8", "status": "affected" }, { "version": "6.4.0.7", "status": "affected" }, { "version": "6.6.0", "status": "affected" }, { "version": "6.4.0.9", "status": "affected" }, { "version": "6.2.3.16", "status": "affected" }, { "version": "6.6.0.1", "status": "affected" }, { "version": "6.6.1", "status": "affected" }, { "version": "6.4.0.10", "status": "affected" }, { "version": "6.7.0", "status": "affected" }, { "version": "6.4.0.11", "status": "affected" }, { "version": "6.6.3", "status": "affected" }, { "version": "6.7.0.1", "status": "affected" }, { "version": "6.6.4", "status": "affected" }, { "version": "6.4.0.12", "status": "affected" }, { "version": "6.7.0.2", "status": "affected" }, { "version": "7.0.0", "status": "affected" }, { "version": "6.2.3.17", "status": "affected" }, { "version": "7.0.0.1", "status": "affected" }, { "version": "6.6.5", "status": "affected" }, { "version": "7.0.1", "status": "affected" }, { "version": "7.1.0", "status": "affected" }, { "version": "6.4.0.13", "status": "affected" }, { "version": "6.6.5.1", "status": "affected" }, { "version": "6.2.3.18", "status": "affected" }, { "version": "7.0.1.1", "status": "affected" }, { "version": "6.7.0.3", "status": "affected" }, { "version": "6.4.0.14", "status": "affected" }, { "version": "7.1.0.1", "status": "affected" }, { "version": "6.6.5.2", "status": "affected" }, { "version": "7.0.2", "status": "affected" }, { "version": "6.4.0.15", "status": "affected" }, { "version": "7.2.0", "status": "affected" }, { "version": "7.0.2.1", "status": "affected" }, { "version": "7.0.3", "status": "affected" }, { "version": "6.6.7", "status": "affected" }, { "version": "7.2.0.1", "status": "affected" }, { "version": "7.0.4", "status": "affected" }, { "version": "7.2.1", "status": "affected" }, { "version": "7.0.5", "status": "affected" }, { "version": "6.4.0.16", "status": "affected" }, { "version": "7.3.0", "status": "affected" }, { "version": "7.2.2", "status": "affected" }, { "version": "6.6.7.1", "status": "affected" }, { "version": "7.2.3", "status": "affected" }, { "version": "7.3.1", "status": "affected" }, { "version": "7.1.0.3", "status": "affected" }, { "version": "7.2.4", "status": "affected" }, { "version": "7.0.6", "status": "affected" }, { "version": "7.2.5", "status": "affected" }, { "version": "7.2.4.1", "status": "affected" }, { "version": "7.3.1.1", "status": "affected" }, { "version": "6.4.0.17", "status": "affected" }, { "version": "7.0.6.1", "status": "affected" }, { "version": "7.2.5.1", "status": "affected" }, { "version": "6.6.7.2", "status": "affected" }, { "version": "7.2.5.2", "status": "affected" }, { "version": "7.3.1.2", "status": "affected" } ] } ] } } }