CVE-2011-3143

Name: CVE-2011-3143
Creator: NVD / NIST
Published: 2011-08-16T21:55:01.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 5.99%

Last modified Jun 16, 2026

CVE-2011-3143 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.99% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

5.99%

92.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Aveva	Clearscada	2005
Aveva	Clearscada	2007
Aveva	Clearscada	2009
Schneider-Electric	Scx 67	< r4.5
Schneider-Electric	Scx 68	< r3.9

References

http://secunia.com/advisories/44955Third Party Advisory
http://www.digitalbond.com/scadapedia/vulnerability-notes/heap-overflow-vulnerability/Broken Link, Third Party Advisory
http://www.osvdb.org/72989Broken Link
http://www.securityfocus.com/bid/46312Third Party Advisory, VDB Entry
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdfPatch, Third Party Advisory, US Government Resource
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01A.pdfPatch, Third Party Advisory, US Government Resource
http://secunia.com/advisories/44955Third Party Advisory
http://www.digitalbond.com/scadapedia/vulnerability-notes/heap-overflow-vulnerability/Broken Link, Third Party Advisory
http://www.osvdb.org/72989Broken Link
http://www.securityfocus.com/bid/46312Third Party Advisory, VDB Entry
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdfPatch, Third Party Advisory, US Government Resource
http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01A.pdfPatch, Third Party Advisory, US Government Resource

Timeline

Published: Aug 16, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3143?

How severe is CVE-2011-3143?

Severity scoring for CVE-2011-3143 is pending analysis. The EPSS model estimates a 5.99% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3143?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST