CVE-2025-20183
Estado: AnalizadaMedia (5.3)—
The vulnerability is due to improper handling of a crafted range request header. An attacker could exploit this vulnerability by sending an HTTP request with a crafted range request header through the affected device. A successful exploit could allow the attacker to evade the antivirus scanner and download malware onto the endpoint without detection by Cisco Secure Web Appliance.
Detalles técnicos trazas, registros y código del informe original
A vulnerability in a policy-based Cisco Application Visibility and Control (AVC) implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to evade the antivirus scanner and download a malicious file onto an endpoint.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.44%
- Percentil entre todas las CVEs puntuadas: 36
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-20
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
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"matchCriteriaId": "780EA177-5623-4AFF-9316-D557BE2BD47D"
},
{
"criteria": "cpe:2.3:h:cisco:secure_web_appliance_s196:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FE1F2FAF-C64B-4AEB-8DE4-329C61B8D17F"
},
{
"criteria": "cpe:2.3:h:cisco:secure_web_appliance_s396:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B5596058-16DB-46C0-82AC-D9BFC13F4126"
},
{
"criteria": "cpe:2.3:h:cisco:secure_web_appliance_s696:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "62BEA59D-2AF1-4BDF-ACB3-450BED2E5AAB"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "psirt@cisco.com"
}