cvelist/2021/35xxx/CVE-2021-35211.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@solarwinds.com",
        "DATE_PUBLIC": "2021-07-13T16:16:00.000Z",
        "ID": "CVE-2021-35211",
        "STATE": "PUBLIC",
        "TITLE": "Serv-U Remote Memory Escape Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Serv-U Managed File Transfer Server and Serv-U Secured FTP ",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "Windows",
                                            "version_affected": "<",
                                            "version_name": "SolarWinds Serv-U",
                                            "version_value": "15.2.3 HF1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "SolarWinds"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "SolarWinds would like to thank the Microsoft Threat Intelligence Center (MSTIC) and Microsoft Offensive Security Research teams for reporting on the issue in a responsible manner."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": " Memory Escape Vulnerability in Solarwinds Serv-U "
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211",
                "name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
            },
            {
                "refsource": "MISC",
                "url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit",
                "name": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "SolarWinds has released a hotfix 15.2.3 HF2 It is suggested to upgrade to the latest hotfix as soon as possible "
        }
    ],
    "source": {
        "defect": [
            "CVE-2021-35211"
        ],
        "discovery": "EXTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "SolarWinds advises to disconnect Serv-U Server from internet until patched."
        }
    ]
}