THREATPORT/VULNERABILITY/CVE-2009-3739
HIGH SEVERITY

CVE-2009-3739

Ab Micrologix Controller 1100 vulnerability

CVSS
10.0
EPSS
4.3%
EPSS pct
90th
Exploited
No known
Multiple unspecified vulnerabilities on the Rockwell Automation AB Micrologix 1100 and 1400 controllers allow remote attackers to obtain privileged access or cause a denial of service (halt) via unknown vectors.
Affected vendor
Rockwellautomation
Affected product
Ab Micrologix Controller 1100
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
2010-01-19

Risk analysis

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

Its EPSS score of 4.3% 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-2009-3739

  • Confirm whether Rockwellautomation Ab Micrologix Controller 1100 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-3739.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3739

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3739 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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