CVE-2011-3142
HIGH · CVSS 10.0EPSS 38.4%EU EUVD
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.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 38.4% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3110)
- Published
- August 16, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3110 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.
View on the EU Vulnerability DatabaseAffected products
- wellintech / kingview
- wellintech / kingview
References
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- http://www.exploit-db.com/exploits/16936(Exploit)
- http://www.kingview.com/news/detail.aspx?contentid=537
- http://www.osvdb.org/72889
- http://www.scadahacker.com/exploits-wellintech-kvwebsvr.html
- http://www.securityfocus.com/bid/46757(Exploit)
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf(Patch)
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain