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."

9.3

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 29.41% Top 5%

Vendor Advisory microsoft.com

Affected: n/a n/a

References

Link	Tags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-057	patch vendor advisory
http://jvn.jp/en/jp/JVN80404511/index.html	vdb entry third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12684	vdb entry tool signature signature
http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000060.html	vdb entry third party advisory
http://www.us-cert.gov/cas/techalerts/TA11-221A.html	third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2011-1961?: CVE-2011-1961 has been scored as a critical severity vulnerability.
How to fix CVE-2011-1961?: To fix CVE-2011-1961, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1961 being actively exploited in the wild?: It is possible that CVE-2011-1961 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~29% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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