CVE-2022-46670

Rockwell Automation MicroLogix 1100 & 1400 Vulnerable to Cross-Site Scripting Attack

MEDIUM
6.1
CVSS Score
Published: December 16, 2022 at 08:12 PM UTC
Updated: June 17, 2026 at 05:12 AM UTC
10 products affected across 1 vendorMicrologix 1400-b FirmwareMicrologix 1100 FirmwareMicrologix 1400 Firmware

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Rockwell Automation was made aware of a vulnerability by a security researcher from Georgia Institute of Technology that the MicroLogix 1100 and 1400 controllers contain a vulnerability that may give an attacker the ability to accomplish remote code execution.  The vulnerability is an unauthenticated stored cross-site scripting vulnerability in the embedded webserver. The payload is transferred to the controller over SNMP and is rendered on the homepage of the embedded website.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
rockwellautomation-micrologix-1100 (same device)
v ≤ 7.000
rockwellautomation-micrologix-1400-a (same device)
v ≤ 21.007
rockwellautomation-micrologix-1400-b (same device)
v ≤ 21.007
rockwellautomation-micrologix-1400-c (same device)
All versions
rockwellautomation-micrologix-1400 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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