{
    "id": "CVE-2011-1889",
    "published": "2011-06-16 20:55:02",
    "last_modified": "2026-06-16 23:30:18",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-119",
    "description": "The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management Gateway (TMG) 2010 allows remote attackers to execute arbitrary code via vectors involving unspecified requests, aka \"TMG Firewall Client Memory Corruption Vulnerability.\"",
    "epss_score": "0.49020",
    "epss_percentile": "0.98844",
    "kev": 1,
    "kev_due": "2022-03-24",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:18:03",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-03-24."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "forefront_threat_management_gateway"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2011-1889",
        "date_added": "2022-03-03",
        "due_date": "2022-03-24",
        "vendor": "Microsoft",
        "product": "Forefront Threat Management Gateway (TMG)",
        "name": "Microsoft Forefront TMG Remote Code Execution Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "http://secunia.com/advisories/44857",
        "http://www.securityfocus.com/bid/48181",
        "http://www.securitytracker.com/id?1025637",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/67736",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642",
        "http://secunia.com/advisories/44857",
        "http://www.securityfocus.com/bid/48181",
        "http://www.securitytracker.com/id?1025637",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-040",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/67736",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12642",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1889"
    ]
}