THREATPORT/VULNERABILITY/CVE-2022-1161
CRITICAL SEVERITY

CVE-2022-1161

Compactlogix 1768 L43 Firmware vulnerability

CVSS
10.0
EPSS
5.0%
EPSS pct
91th
Exploited
No known
An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, and GuardLogix Control systems. Studio 5000 Logix Designer writes user-readable program code to a separate location than the executed compiled code, allowing an attacker to change one and not the other.
Affected vendor
Rockwellautomation
Affected product
Compactlogix 1768 L43 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-829 — Inclusion of Functionality from Untrusted Control Sphere
Published
2022-04-11

Risk analysis

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

Its EPSS score of 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2022-1161

  • Confirm whether Rockwellautomation Compactlogix 1768 L43 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-1161.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-1161

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-1161 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2022-1161?

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