CVE-2021-32926
Allen-Bradley Micro800 and MicroLogix 1400 Password Interception Remote Denial of Service
Description
When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and replace it with an illegitimate hash. The user would no longer be able to authenticate to the controller (Micro800: All versions, MicroLogix 1400: Version 21 and later) causing a denial-of-service condition
INFO
Published Date :
June 3, 2021, 1:15 p.m.
Last Modified :
Oct. 25, 2022, 7:34 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-32926 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-32926
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-2021-32926.
| URL | Resource |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02 | 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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-32926 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-32926 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 -
Reanalysis by [email protected]
Oct. 25, 2022
Action Type Old Value New Value Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Jun. 15, 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://us-cert.cisa.gov/ics/advisories/icsa-21-145-02 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02 Third Party Advisory, US Government Resource Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:micro800_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:rockwellautomation:micro800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:micrologix_1400_firmware:*:*:*:*:*:*:*:* versions from (including) 21.0 OR cpe:2.3:h:rockwellautomation:micrologix_1400:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-32926 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-2021-32926
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.02%
score
0.72338
percentile