What’s Vulnerable › Vulnerabilities

CVE-2012-4690

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-12-08 · updated 2026-06-16
• Weakness: CWE-16

Description

Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platform, when Static status is not enabled, allow remote attackers to cause a denial of service via messages that trigger modification of status bits.

Affected products

• Rockwell Automation Allen-Bradley MicroLogix 1400: 1100, 1200, 1400, 1500
• Rockwellautomation Plc-5 Controller: all versions
• Rockwellautomation Slc 500 Controller: all versions

References

• http://ics-cert.us-cert.gov/advisories/ICSA-12-342-01A
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-342-01.pdf
• https://rockwellautomation.custhelp.com/app/answers/detail/a_id/511407
• http://ics-cert.us-cert.gov/advisories/ICSA-12-342-01A
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-342-01.pdf
• https://rockwellautomation.custhelp.com/app/answers/detail/a_id/511407

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