CVE-2021-32986
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
After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.
Después de los módulos de CPU del PLC CLICK de Automation Direct: C0-1x con versiones de firmware anteriores a v3.00, son desbloqueados por un usuario autorizado, el estado de desbloqueo no es agotado. Si el software de programación es interrumpido, el PLC permanece desbloqueado. Todas las conexiones de programación posteriores son permitidas sin autorización. El PLC sólo es vuelto a bloquear por un ciclo de energía, o cuando el software de programación es desconectado correctamente
*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
- 2024-08-03 CVE Updated
- 2024-12-18 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-288: Authentication Bypass Using an Alternate Path or Channel
- CWE-863: Incorrect Authorization
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
|