{"id":"CVE-2011-1961","aliases":["EUVD-2011-1955","GHSA-qwrv-2qv7-f9m4"],"status":"published","title":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the...","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.34208,"percentile":0.98415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2011-08-10T21:16:00Z","modified":"2026-06-16T23:30:30Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"http://jvn.jp/en/jp/JVN80404511/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Tool Signature"]},{"url":"http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.html","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA11-221A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1961"},{"url":"https://github.com/advisories/GHSA-qwrv-2qv7-f9m4"}],"sources":{"cve":[{"id":"CVE-2011-1961","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","status":"published","published":"2011-08-10T21:16:00Z","modified":"2024-08-06T22:46:00.871Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1955","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","status":"published","published":"2011-08-10T21:16:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-qwrv-2qv7-f9m4","title":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the...","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","status":"published","published":"2022-05-13T01:03:28Z","modified":"2023-02-01T05:02:33Z","updated_at":"2026-11-02T14:49:56.778846Z"}],"nvd":[{"id":"CVE-2011-1961","description":"The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka \"Telnet Handler Remote Code Execution Vulnerability.\"","status":"published","published":"2011-08-10T21:55:01.343Z","modified":"2026-06-16T23:30:30.007Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}