| |
Vulnerability CVE-2018-20818
Published: 2019-04-22
| Description: |
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. |
Type:
CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.5/10 |
6.4/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
https://arxiv.org/pdf/1809.07477
|
|
|
Copyright 2024, cxsecurity.com
|
|
|
