CVE-2011-3143
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3...
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.
Exploit likelihood
What each source reports
NVD Score used
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.
- Record
CVE-2011-3143- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.
- Record
CVE-2011-3143- Updated
- 2026-11-02
EUVDEUVD-2011-3111 No score
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.
- Record
EUVD-2011-3111- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vvc6-fgrx-mqr8 No score
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3...
Use-after-free vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified long strings that trigger heap memory corruption.
- Record
GHSA-vvc6-fgrx-mqr8- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-3143 is a high vulnerability (CVSS 10.0) in Aveva Clearscada, published August 16, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.51%, the 94th percentile. No source names a fixed version.
References
osvdb.org/72989
secunia.com/advisories/44955
us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdf
securityfocus.com/bid/46312
digitalbond.com/scadapedia/vulnerability-notes/heap-overflow-vulnerability
nvd.nist.gov/vuln/detail/CVE-2011-3143
github.com/advisories/GHSA-vvc6-fgrx-mqr8