{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2019-14899",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was discovered in Linux, FreeBSD, OpenBSD, MacOS, iOS, and Android that allows a malicious access point, or an adjacent user, to determine if a connected user is using a VPN, make positive inferences about the websites they are visiting, and determine the correct sequence and acknowledgement numbers in use, allowing the bad actor to inject data into the TCP stream. This provides everything that is needed for an attacker to hijack active connections inside the VPN tunnel."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-300",
                        "cweId": "CWE-300"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Red Hat",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "VPN",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://support.apple.com/kb/HT211289",
                "refsource": "MISC",
                "name": "https://support.apple.com/kb/HT211289"
            },
            {
                "url": "https://support.apple.com/kb/HT211288",
                "refsource": "MISC",
                "name": "https://support.apple.com/kb/HT211288"
            },
            {
                "url": "https://support.apple.com/kb/HT211290",
                "refsource": "MISC",
                "name": "https://support.apple.com/kb/HT211290"
            },
            {
                "url": "http://seclists.org/fulldisclosure/2020/Dec/32",
                "refsource": "MISC",
                "name": "http://seclists.org/fulldisclosure/2020/Dec/32"
            },
            {
                "url": "http://seclists.org/fulldisclosure/2020/Jul/23",
                "refsource": "MISC",
                "name": "http://seclists.org/fulldisclosure/2020/Jul/23"
            },
            {
                "url": "http://seclists.org/fulldisclosure/2020/Jul/24",
                "refsource": "MISC",
                "name": "http://seclists.org/fulldisclosure/2020/Jul/24"
            },
            {
                "url": "http://seclists.org/fulldisclosure/2020/Jul/25",
                "refsource": "MISC",
                "name": "http://seclists.org/fulldisclosure/2020/Jul/25"
            },
            {
                "url": "http://seclists.org/fulldisclosure/2020/Nov/20",
                "refsource": "MISC",
                "name": "http://seclists.org/fulldisclosure/2020/Nov/20"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2020/08/13/2",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2020/08/13/2"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2020/10/07/3",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2020/10/07/3"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2021/07/05/1",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2021/07/05/1"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14899",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14899"
            },
            {
                "url": "https://openvpn.net/security-advisory/no-flaws-found-in-openvpn-software/",
                "refsource": "MISC",
                "name": "https://openvpn.net/security-advisory/no-flaws-found-in-openvpn-software/"
            },
            {
                "url": "https://support.apple.com/kb/HT211850",
                "refsource": "MISC",
                "name": "https://support.apple.com/kb/HT211850"
            },
            {
                "url": "https://support.apple.com/kb/HT211931",
                "refsource": "MISC",
                "name": "https://support.apple.com/kb/HT211931"
            }
        ]
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.4,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
            }
        ]
    }
}