THREATPORT/VULNERABILITY/CVE-2012-4690
HIGH SEVERITY

CVE-2012-4690

Ab Micrologix Controller vulnerability

CVSS
7.1
EPSS
4.0%
EPSS pct
90th
Exploited
No known
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 vendor
Rockwellautomation
Affected product
Ab Micrologix Controller
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness type (CWE)
Published
2012-12-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2012-4690

  • Confirm whether Rockwellautomation Ab Micrologix Controller is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2012-4690.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-4690

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-4690 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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