{"id":"CVE-2011-1869","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1869","generatedAt":"2026-10-28T03:22:27.732Z","title":"The Distributed File System (DFS) implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote DFS servers to cause a…","description":"The Distributed File System (DFS) implementation in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote DFS servers to cause a denial of service (system hang) via a crafted referral response, aka \"DFS Referral Response Vulnerability.\"","published":"2011-06-16T20:55:02.000Z","lastModified":"2026-06-16T23:30:16.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-399"],"affected":["microsoft/windows 2003 server","microsoft/windows 7","microsoft/windows server 2003","microsoft/windows server 2008","microsoft/windows vista","microsoft/windows xp"],"epss":{"score":0.10293,"percentile":0.95664,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://secunia.com/advisories/44894","source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/44948","source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/48187","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id?1025639","source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-042","source":"secure@microsoft.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67727","source":"secure@microsoft.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12640","source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/44894","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/44948","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/48187","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1025639","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-042","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67727","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12640","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1869","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}