cvelist/2023/20xxx/CVE-2023-20215.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-20215",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass a configured rule, allowing traffic onto a network that should have been blocked.\r\n\r This vulnerability is due to improper detection of malicious traffic when the traffic is encoded with a specific content format. An attacker could exploit this vulnerability by using an affected device to connect to a malicious server and receiving crafted HTTP responses. A successful exploit could allow the attacker to bypass an explicit block rule and receive traffic that should have been rejected by the device."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Web Security Appliance (WSA)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.0-406"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.0-418"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.1-049"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.1-006"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.1-020"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.7.2-011"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.8.0-414"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.8.1-023"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.8.3-018"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "11.8.3-021"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.1-268"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.0.3-007"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5.2-007"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5.1-011"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5.4-005"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "12.5.5-004"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.5.0-498"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.5.1-008"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.5.1-016"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0.3-014"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0.2-012"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "14.0.4-005"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-vXvqwzsj",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-bypass-vXvqwzsj"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-wsa-bypass-vXvqwzsj",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwf60901",
            "CSCwf55917",
            "CSCwf94501"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                "baseScore": 5.8,
                "baseSeverity": "MEDIUM",
                "attackVector": "NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "CHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "availabilityImpact": "NONE"
            }
        ]
    }
}