CVE-2021-33012
Rockwell Automation MicroLogix 1100 DoS Vulnerability
Description
Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.
INFO
Published Date :
July 9, 2021, 3:15 p.m.
Last Modified :
July 12, 2021, 5:09 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-33012 has a 1 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
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-2021-33012
.
URL | Resource |
---|---|
https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01 | Third Party Advisory US Government Resource |
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).
PLC/ICS scripts
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-33012
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33012
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]
Jul. 12, 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:C/C:N/I:N/A:H Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01 Third Party Advisory, US Government Resource Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33012
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-2021-33012
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.00%
score
0.37682
percentile