VulnerabilityModified

CVE-2011-3143

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…

HIGH 10.0EPSS 7.51%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 2.0: 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS: 7.51% probability · 94th percentile
CISA KEV: Not listed
Weakness: CWE-399
Affected: aveva/clearscada · schneider-electric/scx 67 · schneider-electric/scx 68
Source: cve@mitre.org

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.