CVE-2021-32984
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
All programming connections receive the same unlocked privileges, which can result in a privilege escalation. During the time Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, an attacker can connect to the PLC and read the project without authorization.
Todas las conexiones de programación reciben los mismos privilegios desbloqueados, lo que puede resultar en una escalada de privilegios. Durante el tiempo que los Módulos de CPU de PLC CLICK de Automation Direct: CPUs C0-1x con versiones de firmware anteriores a v3.00, es desbloqueado por un usuario autorizado, un atacante puede conectarse al PLC y leer el proyecto sin autorización
*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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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
- 2023-10-26 EPSS Updated
- 2024-08-03 CVE 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)
| URL | Tag | Source |
|---|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
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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
|