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CVE-2011-3142

10.0 · HIGH

Stack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote attackers to execute arbitrary code via a long second argument to the ValidateUs…

Published Aug 16, 2011wellintechCWE-119EPSS 38.36%

Overview

CVE-2011-3142 is a high-severity vulnerability affecting wellintech kingview. It was published on August 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack-based buffer overflow in an ActiveX control in KVWebSvr.dll in WellinTech KingView 6.52 and 6.53 allows remote attackers to execute arbitrary code via a long second argument to the ValidateUser method.

Remediation

Check the references section for vendor advisories and patches from wellintech. Update kingview to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.cnvd.org.cn/vulnerability/CNVD-2011-04541Refwww.exploit-db.com/exploits/16936Refwww.kingview.com/news/detail.aspx?contentid=537Refwww.osvdb.org/72889Refwww.scadahacker.com/exploits-wellintech-kvwebsvr.htmlRefwww.securityfocus.com/bid/46757Refwww.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdfRefwww.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdfRefwww.cnvd.org.cn/vulnerability/CNVD-2011-04541Refwww.exploit-db.com/exploits/16936

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3142?

CVE-2011-3142 is a high-severity vulnerability affecting wellintech kingview. It was published on August 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2011-3142?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3142?

Check the references section for vendor advisories and patches from wellintech. Update kingview to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-3142?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3142 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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