{ "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-2026-20222", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-20222", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-09-16T20:12:18.963Z", "updatedAt": "2026-09-18T19:08:55.420Z", "importedAt": "2026-10-24T01:57:55.771Z", "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 Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability", "summary": "A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper resource management when handling EIGRP update messages. An attacker could exploit this vulnerability by sending crafted EIGRP updates at a high rate to an affected device. A successful exploit could allow the attacker to trigger a memory leak that will eventually cause the affected device to reload unexpectedly.", "affected": [ { "vendor": "Cisco", "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software", "defaultStatus": "unknown", "versions": [ { "version": "9.19.1", "status": "affected" }, { "version": "9.19.1.5", "status": "affected" }, { "version": "9.19.1.9", "status": "affected" }, { "version": "9.19.1.12", "status": "affected" }, { "version": "9.19.1.18", "status": "affected" }, { "version": "9.20.1", "status": "affected" }, { "version": "9.19.1.22", "status": "affected" }, { "version": "9.20.1.5", "status": "affected" }, { "version": "9.19.1.24", "status": "affected" }, { "version": "9.20.2", "status": "affected" }, { "version": "9.19.1.27", "status": "affected" }, { "version": "9.20.2.10", "status": "affected" }, { "version": "9.19.1.28", "status": "affected" }, { "version": "9.20.2.21", "status": "affected" }, { "version": "9.19.1.31", "status": "affected" }, { "version": "9.20.2.22", "status": "affected" }, { "version": "9.20.3", "status": "affected" }, { "version": "9.23.1", "status": "affected" }, { "version": "9.22.1.1", "status": "affected" }, { "version": "9.20.3.4", "status": "affected" }, { "version": "9.20.3.7", "status": "affected" }, { "version": "9.19.1.37", "status": "affected" }, { "version": "9.20.3.9", "status": "affected" }, { "version": "9.19.1.38", "status": "affected" }, { "version": "9.22.1.3", "status": "affected" }, { "version": "9.20.3.10", "status": "affected" }, { "version": "9.22.1.2", "status": "affected" }, { "version": "9.20.3.13", "status": "affected" }, { "version": "9.22.1.6", "status": "affected" }, { "version": "9.22.2", "status": "affected" }, { "version": "9.20.3.16", "status": "affected" }, { "version": "9.19.1.42", "status": "affected" }, { "version": "9.23.1.3", "status": "affected" }, { "version": "9.20.3.20", "status": "affected" }, { "version": "9.22.2.4", "status": "affected" }, { "version": "9.23.1.7", "status": "affected" }, { "version": "9.20.4", "status": "affected" }, { "version": "9.22.2.9", "status": "affected" }, { "version": "9.23.1.13", "status": "affected" }, { "version": "9.20.4.7", "status": "affected" }, { "version": "9.22.2.13", "status": "affected" }, { "version": "9.20.4.10", "status": "affected" }, { "version": "9.23.1.19", "status": "affected" }, { "version": "9.22.2.14", "status": "affected" }, { "version": "9.24.1", "status": "affected" }, { "version": "9.23.1.22", "status": "affected" }, { "version": "9.20.4.14", "status": "affected" }, { "version": "9.22.2.20", "status": "affected" }, { "version": "9.20.4.19", "status": "affected" }, { "version": "9.23.1.26", "status": "affected" }, { "version": "9.22.2.32", "status": "affected" }, { "version": "9.22.3", "status": "affected" }, { "version": "9.24.1.5", "status": "affected" }, { "version": "9.20.4.22", "status": "affected" }, { "version": "9.24.1.9", "status": "affected" }, { "version": "9.20.4.28", "status": "affected" }, { "version": "9.22.3.5", "status": "affected" }, { "version": "9.23.1.195", "status": "affected" }, { "version": "9.20.4.30", "status": "affected" }, { "version": "9.24.1.155", "status": "affected" }, { "version": "9.23.1.32", "status": "affected" }, { "version": "9.24.1.11", "status": "affected" }, { "version": "9.20.4.34", "status": "affected" }, { "version": "9.20.4.235", "status": "affected" } ] }, { "vendor": "Cisco", "product": "Cisco Secure Firewall Threat Defense (FTD) Software", "defaultStatus": "unknown", "versions": [ { "version": "7.3.0", "status": "affected" }, { "version": "7.3.1", "status": "affected" }, { "version": "7.3.1.1", "status": "affected" }, { "version": "7.4.0", "status": "affected" }, { "version": "7.4.1", "status": "affected" }, { "version": "7.4.1.1", "status": "affected" }, { "version": "7.3.1.2", "status": "affected" }, { "version": "7.6.0", "status": "affected" }, { "version": "7.4.2", "status": "affected" }, { "version": "7.4.2.1", "status": "affected" }, { "version": "7.7.0", "status": "affected" }, { "version": "7.4.2.2", "status": "affected" }, { "version": "7.6.1", "status": "affected" }, { "version": "7.4.2.3", "status": "affected" }, { "version": "7.6.2", "status": "affected" }, { "version": "7.7.10", "status": "affected" }, { "version": "7.7.11", "status": "affected" }, { "version": "7.6.2.1", "status": "affected" }, { "version": "7.7.10.1", "status": "affected" }, { "version": "7.4.2.4", "status": "affected" }, { "version": "7.4.3", "status": "affected" }, { "version": "7.6.4", "status": "affected" }, { "version": "10.0.0", "status": "affected" }, { "version": "7.4.4", "status": "affected" }, { "version": "7.4.7", "status": "affected" } ] } ] } } }