CVE-2018-20818
Severity Score
9.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.
Fue encontrada una vulnerabilidad de desbordamiento de búfer en el controlador OpenPLC, en las versiones OpenPLC_v2 y OpenPLC_v3. Se produce en la función de mapUnusedIO() Modbus.cpp, que puede provocar un bloqueo en tiempo de ejecución del PLC o, posiblemente, tener otro impacto no especificado.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-04-21 CVE Reserved
- 2019-04-21 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://arxiv.org/pdf/1809.07477 | Third Party Advisory |
| URL | Date | SRC |
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| URL | Date | SRC |
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| 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 |
| Openplcproject Search vendor "Openplcproject" | Openplc V2 Firmware Search vendor "Openplcproject" for product "Openplc V2 Firmware" | - | - |
Affected
| in | Openplcproject Search vendor "Openplcproject" | Openplc V2 Search vendor "Openplcproject" for product "Openplc V2" | - | - |
Safe
|
| Openplcproject Search vendor "Openplcproject" | Openplc V3 Firmware Search vendor "Openplcproject" for product "Openplc V3 Firmware" | - | - |
Affected
| in | Openplcproject Search vendor "Openplcproject" | Openplc V3 Search vendor "Openplcproject" for product "Openplc V3" | - | - |
Safe
|