CVE-2018-20818
OpenPLC Buffer Overflow Vulnerability
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.
INFO
Published Date :
April 22, 2019, 11:29 a.m.
Last Modified :
April 23, 2019, 2:55 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2018-20818
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-20818.
| URL | Resource |
|---|---|
| https://arxiv.org/pdf/1809.07477 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20818 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20818 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 23, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://arxiv.org/pdf/1809.07477 No Types Assigned https://arxiv.org/pdf/1809.07477 Third Party Advisory Added CWE CWE-119 Added CPE Configuration AND OR *cpe:2.3:o:openplcproject:openplc_v2_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:openplcproject:openplc_v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:openplcproject:openplc_v3_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20818 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-20818
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.25 }} 0.00%
score
0.61024
percentile