CVE-2012-4690
CVE-2012-4690 is a high-severity vulnerability in Rockwellautomation Ab Micrologix Controller with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-16.
Key facts
- Severity: High (CVSS 2.0 base score 7.1)
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-16
- Affected product: Rockwellautomation Ab Micrologix Controller
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2012-4690?
- 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.
- How severe is CVE-2012-4690?
- CVE-2012-4690 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2012-4690 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-4690?
- CVE-2012-4690 primarily affects Rockwellautomation Ab Micrologix Controller. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-4690?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2012-4690 published?
- CVE-2012-4690 was published on 2012-12-08 and last updated on 2026-06-16.
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
Affected products (6)
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:*
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1200:*:*:*:*:*:*:*
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1400:*:*:*:*:*:*:*
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1500:*:*:*:*:*:*:*
- cpe:2.3:h:rockwellautomation:plc-5_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:rockwellautomation:slc_500_controller:-:*:*:*:*:*:*:*
More vulnerabilities in Rockwellautomation Ab Micrologix Controller
- CVE-2014-5410 — High (CVSS 7.1): The DNP3 feature on Rockwell Automation Allen-Bradley MicroLogix 1400 1766-Lxxxxx A FRN controllers 7 and earlier and…
All CVEs affecting Rockwellautomation Ab Micrologix Controller →
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