CVE-2021-34584
CODESYS V2 Deserialization Vulnerability
Description
Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
INFO
Published Date :
Oct. 26, 2021, 10:15 a.m.
Last Modified :
Nov. 21, 2024, 6:10 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
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-2021-34584.
| URL | Resource |
|---|---|
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download= | Vendor Advisory |
| https://www.tenable.com/security/research/tra-2021-47 | Exploit Third Party Advisory |
| https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download= | Vendor Advisory |
| https://www.tenable.com/security/research/tra-2021-47 | Exploit 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-2021-34584 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34584 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://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download= Added Reference https://www.tenable.com/security/research/tra-2021-47 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jul. 28, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 28, 2022
Action Type Old Value New Value Removed CVSS V3.1 CERT VDE AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Added CVSS V3.1 CERT VDE AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Removed CVSS V3.1 Reason C-No limiting factors -
Initial Analysis by [email protected]
Oct. 28, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download= No Types Assigned https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download= Vendor Advisory Changed Reference Type https://www.tenable.com/security/research/tra-2021-47 No Types Assigned https://www.tenable.com/security/research/tra-2021-47 Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.9.22 -
CVE Modified by [email protected]
Oct. 26, 2021
Action Type Old Value New Value Added Reference https://www.tenable.com/security/research/tra-2021-47 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34584 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-2021-34584
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.61 }} 0.17%
score
0.78503
percentile