CVE-2011-3143 json
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 an…
published 2011-08-16 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3111
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.5%
- EPSS 7.5% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- schneider-electric scx_67 r4.5
- schneider-electric scx_68 r3.9
Exploit prediction
7.51% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
us-cert.gov
/control_systems/pdf/ICSA-10-314-01.pdf
patch, third-party-advisory, us-government-resource
-
us-cert.gov
/control_systems/pdf/ICSA-10-314-01A.pdf
patch, third-party-advisory, us-government-resource
-
osvdb.org
/72989
vdb-entry, broken-link
-
secunia.com
/advisories/44955
third-party-advisory
-
securityfocus.com
/bid/46312
vdb-entry, third-party-advisory
-
digitalbond.com
/scadapedia/vulnerability-notes/heap-overflow-vulnerability/
broken-link, third-party-advisory
Sources
- CVE List CVE-2011-3143
- NVD CVE-2011-3143
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