CVE-2011-1961

CriticalCVSS 9.3/10Last modified Jun 16, 2026

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."

Metrics

CVSS 2.0 9.3/10AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://jvn.jp/en/jp/JVN80404511/index.htmlThird Party Advisory, VDB Entry
http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.htmlThird Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA11-221A.htmlThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684Tool Signature
http://jvn.jp/en/jp/JVN80404511/index.htmlThird Party Advisory, VDB Entry
http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.htmlThird Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA11-221A.htmlThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684Tool Signature

Timeline

Published: Aug 10, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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