{ "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-2024-20407", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-20407", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-10-23T17:36:40.728Z", "updatedAt": "2024-10-24T16:09:41.083Z", "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": null, "summary": "A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. \r\n\r This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.", "affected": [ { "vendor": "Cisco", "product": "Cisco Firepower Threat Defense Software", "versions": [ { "version": "6.2.3", "status": "affected" }, { "version": "6.2.3.1", "status": "affected" }, { "version": "6.2.3.2", "status": "affected" }, { "version": "6.2.3.3", "status": "affected" }, { "version": "6.2.3.4", "status": "affected" }, { "version": "6.2.3.5", "status": "affected" }, { "version": "6.2.3.6", "status": "affected" }, { "version": "6.2.3.7", "status": "affected" }, { "version": "6.2.3.8", "status": "affected" }, { "version": "6.2.3.10", "status": "affected" }, { "version": "6.2.3.11", "status": "affected" }, { "version": "6.2.3.9", "status": "affected" }, { "version": "6.2.3.12", "status": "affected" }, { "version": "6.2.3.13", "status": "affected" }, { "version": "6.2.3.14", "status": "affected" }, { "version": "6.2.3.15", "status": "affected" }, { "version": "6.2.3.16", "status": "affected" }, { "version": "6.2.3.17", "status": "affected" }, { "version": "6.2.3.18", "status": "affected" }, { "version": "6.6.0", "status": "affected" }, { "version": "6.6.0.1", "status": "affected" }, { "version": "6.6.1", "status": "affected" }, { "version": "6.6.3", "status": "affected" }, { "version": "6.6.4", "status": "affected" }, { "version": "6.6.5", "status": "affected" }, { "version": "6.6.5.1", "status": "affected" }, { "version": "6.6.5.2", "status": "affected" }, { "version": "6.6.7", "status": "affected" }, { "version": "6.6.7.1", "status": "affected" }, { "version": "6.6.7.2", "status": "affected" }, { "version": "6.4.0", "status": "affected" }, { "version": "6.4.0.1", "status": "affected" }, { "version": "6.4.0.3", "status": "affected" }, { "version": "6.4.0.2", "status": "affected" }, { "version": "6.4.0.4", "status": "affected" }, { "version": "6.4.0.5", "status": "affected" }, { "version": "6.4.0.6", "status": "affected" }, { "version": "6.4.0.7", "status": "affected" }, { "version": "6.4.0.8", "status": "affected" }, { "version": "6.4.0.9", "status": "affected" }, { "version": "6.4.0.10", "status": "affected" }, { "version": "6.4.0.11", "status": "affected" }, { "version": "6.4.0.12", "status": "affected" }, { "version": "6.4.0.13", "status": "affected" }, { "version": "6.4.0.14", "status": "affected" }, { "version": "6.4.0.15", "status": "affected" }, { "version": "6.4.0.16", "status": "affected" }, { "version": "6.4.0.17", "status": "affected" }, { "version": "6.4.0.18", "status": "affected" }, { "version": "6.7.0", "status": "affected" }, { "version": "6.7.0.1", "status": "affected" }, { "version": "6.7.0.2", "status": "affected" }, { "version": "6.7.0.3", "status": "affected" }, { "version": "7.0.0", "status": "affected" }, { "version": "7.0.0.1", "status": "affected" }, { "version": "7.0.1", "status": "affected" }, { "version": "7.0.1.1", "status": "affected" }, { "version": "7.0.2", "status": "affected" }, { "version": "7.0.2.1", "status": "affected" }, { "version": "7.0.3", "status": "affected" }, { "version": "7.0.4", "status": "affected" }, { "version": "7.0.5", "status": "affected" }, { "version": "7.0.6", "status": "affected" }, { "version": "7.0.6.1", "status": "affected" }, { "version": "7.0.6.2", "status": "affected" }, { "version": "7.1.0", "status": "affected" }, { "version": "7.1.0.1", "status": "affected" }, { "version": "7.1.0.2", "status": "affected" }, { "version": "7.1.0.3", "status": "affected" }, { "version": "7.2.0", "status": "affected" }, { "version": "7.2.0.1", "status": "affected" }, { "version": "7.2.1", "status": "affected" }, { "version": "7.2.2", "status": "affected" }, { "version": "7.2.3", "status": "affected" }, { "version": "7.2.4", "status": "affected" }, { "version": "7.2.4.1", "status": "affected" }, { "version": "7.2.5", "status": "affected" }, { "version": "7.2.5.1", "status": "affected" }, { "version": "7.2.6", "status": "affected" }, { "version": "7.2.7", "status": "affected" }, { "version": "7.2.5.2", "status": "affected" }, { "version": "7.2.8", "status": "affected" }, { "version": "7.2.8.1", "status": "affected" }, { "version": "7.3.0", "status": "affected" }, { "version": "7.3.1", "status": "affected" }, { "version": "7.3.1.1", "status": "affected" }, { "version": "7.3.1.2", "status": "affected" }, { "version": "7.4.0", "status": "affected" }, { "version": "7.4.1", "status": "affected" }, { "version": "7.4.1.1", "status": "affected" } ] } ] } } }