CVE-2021-40873
Softing Industrial Automation OPC UA C++ SDK Double Free Remote DoS Vulnerability
Description
An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.
INFO
Published Date :
Nov. 10, 2021, 11:15 p.m.
Last Modified :
Nov. 21, 2024, 6:24 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-40873
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-2021-40873.
| URL | Resource |
|---|---|
| https://industrial.softing.com/ | Vendor Advisory |
| https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf | Vendor Advisory |
| https://industrial.softing.com/ | Vendor Advisory |
| https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf | Vendor 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-2021-40873 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-40873 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://industrial.softing.com/ Added Reference https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Nov. 16, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://industrial.softing.com/ No Types Assigned https://industrial.softing.com/ Vendor Advisory Changed Reference Type https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf No Types Assigned https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf Vendor Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:* versions up to (excluding) 5.18 *cpe:2.3:a:softing:edgeconnector:*:*:*:*:*:*:*:* versions up to (including) 2.31 *cpe:2.3:a:softing:opc:*:*:*:*:*:*:*:* versions up to (excluding) 5.66 *cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:* versions up to (including) 1.22 *cpe:2.3:a:softing:th_scope:*:*:*:*:*:*:*:* versions from (including) 3.5 *cpe:2.3:a:softing:uagates:*:*:*:*:*:*:*:* versions up to (excluding) 1.73 *cpe:2.3:a:softing:uatoolkit_embedded:*:*:*:*:*:*:*:* versions up to (excluding) 1.40
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-40873 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-2021-40873
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.02%
score
0.58449
percentile