// For flags

CVE-2021-32980

Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.

Módulos de CPU del PLC CLICK de Automation Direct: Las CPUs C0-1x con firmware versiones anteriores a v3.00, no protegen contra conexiones de programación de software adicionales. Un atacante puede conectarse al PLC mientras una conexión presente ya está activa

*Credits: Irfan Ahmed and Adeen Ayub of Virginia Commonwealth University and Hyunguk Yoo of the University of New Orleans reported these vulnerabilities to Automation Direct.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-13 CVE Reserved
  • 2022-04-04 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-11-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
  • CWE-288: Authentication Bypass Using an Alternate Path or Channel
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Automationdirect
Search vendor "Automationdirect"
C0-10dd1e-d Firmware
Search vendor "Automationdirect" for product "C0-10dd1e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-10dd1e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-10dd1e-d
Search vendor "Automationdirect" for product "C0-10dd1e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-10dd2e-d Firmware
Search vendor "Automationdirect" for product "C0-10dd2e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-10dd2e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-10dd2e-d
Search vendor "Automationdirect" for product "C0-10dd2e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-10dre-d Firmware
Search vendor "Automationdirect" for product "C0-10dre-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-10dre-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-10dre-d
Search vendor "Automationdirect" for product "C0-10dre-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-10are-d Firmware
Search vendor "Automationdirect" for product "C0-10are-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-10are-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-10are-d
Search vendor "Automationdirect" for product "C0-10are-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-11dd1e-d Firmware
Search vendor "Automationdirect" for product "C0-11dd1e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-11dd1e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-11dd1e-d
Search vendor "Automationdirect" for product "C0-11dd1e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-11dd2e-d Firmware
Search vendor "Automationdirect" for product "C0-11dd2e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-11dd2e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-11dd2e-d
Search vendor "Automationdirect" for product "C0-11dd2e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-11dre-d Firmware
Search vendor "Automationdirect" for product "C0-11dre-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-11dre-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-11dre-d
Search vendor "Automationdirect" for product "C0-11dre-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-11are-d Firmware
Search vendor "Automationdirect" for product "C0-11are-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-11are-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-11are-d
Search vendor "Automationdirect" for product "C0-11are-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-d Firmware
Search vendor "Automationdirect" for product "C0-12dd1e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd1e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-d
Search vendor "Automationdirect" for product "C0-12dd1e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-d Firmware
Search vendor "Automationdirect" for product "C0-12dd2e-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd2e-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-d
Search vendor "Automationdirect" for product "C0-12dd2e-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dre-d Firmware
Search vendor "Automationdirect" for product "C0-12dre-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dre-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dre-d
Search vendor "Automationdirect" for product "C0-12dre-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12are-d Firmware
Search vendor "Automationdirect" for product "C0-12are-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12are-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12are-d
Search vendor "Automationdirect" for product "C0-12are-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-1-d Firmware
Search vendor "Automationdirect" for product "C0-12dd1e-1-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd1e-1-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-1-d
Search vendor "Automationdirect" for product "C0-12dd1e-1-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-1-d Firmware
Search vendor "Automationdirect" for product "C0-12dd2e-1-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd2e-1-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-1-d
Search vendor "Automationdirect" for product "C0-12dd2e-1-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dre-1-d Firmware
Search vendor "Automationdirect" for product "C0-12dre-1-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dre-1-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dre-1-d
Search vendor "Automationdirect" for product "C0-12dre-1-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12are-1-d Firmware
Search vendor "Automationdirect" for product "C0-12are-1-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12are-1-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12are-1-d
Search vendor "Automationdirect" for product "C0-12are-1-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-2-d Firmware
Search vendor "Automationdirect" for product "C0-12dd1e-2-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd1e-2-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd1e-2-d
Search vendor "Automationdirect" for product "C0-12dd1e-2-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-2-d Firmware
Search vendor "Automationdirect" for product "C0-12dd2e-2-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dd2e-2-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dd2e-2-d
Search vendor "Automationdirect" for product "C0-12dd2e-2-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12dre-2-d Firmware
Search vendor "Automationdirect" for product "C0-12dre-2-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12dre-2-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12dre-2-d
Search vendor "Automationdirect" for product "C0-12dre-2-d"
--
Safe
Automationdirect
Search vendor "Automationdirect"
C0-12are-2-d Firmware
Search vendor "Automationdirect" for product "C0-12are-2-d Firmware"
< 3.00
Search vendor "Automationdirect" for product "C0-12are-2-d Firmware" and version " < 3.00"
-
Affected
in Automationdirect
Search vendor "Automationdirect"
C0-12are-2-d
Search vendor "Automationdirect" for product "C0-12are-2-d"
--
Safe