CVE-2026-20054

{"id": "CVE-2026-20054", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "psirt@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-03-04T18:16:19.920", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed", "source": "psirt@cisco.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. \r\n\r\nThis vulnerability is due to improper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to enter an infinite loop, causing a DoS condition."}, {"lang": "es", "value": "M\u00faltiples productos de Cisco se ven afectados por una vulnerabilidad en la caracter\u00edstica VBA de Snort 3 que podr\u00eda permitir a un atacante remoto no autenticado provocar la ca\u00edda del motor de detecci\u00f3n de Snort 3.\n\nEsta vulnerabilidad se debe a una comprobaci\u00f3n de errores incorrecta al descomprimir datos VBA. Un atacante podr\u00eda explotar esta vulnerabilidad enviando datos VBA manipulados al motor de detecci\u00f3n de Snort 3 en el dispositivo objetivo. Un exploit exitoso podr\u00eda permitir al atacante provocar que el motor de detecci\u00f3n de Snort 3 entre en un bucle infinito, causando una condici\u00f3n de DoS."}], "lastModified": "2026-03-05T19:39:11.967", "sourceIdentifier": "psirt@cisco.com"}