CVE-2011-3142 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 38.4% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 38.36% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-08-16 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| wellintech | kingview |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | KingView 6.5.3 SCADA - ActiveX | 2011-03-07 |
References
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- http://www.exploit-db.com/exploits/16936
- 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
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
- http://www.cnvd.org.cn/vulnerability/CNVD-2011-04541
- http://www.exploit-db.com/exploits/16936
- 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
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-066-01.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-074-01.pdf
→ the Explorer · watch your stack · NVD