7.5
HIGH
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 :

Nov. 21, 2024, 6:07 a.m.

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.

ID Vendor Product Action
1 Rockwellautomation micrologix_1400_firmware
2 Rockwellautomation micro800_firmware
3 Rockwellautomation micrologix_1400
4 Rockwellautomation micro800
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
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

Updated: 2 years, 7 months ago
0 stars 1 fork 1 watcher
Born at : May 17, 2022, 1:20 p.m. This repo has been linked 7 different CVEs too.

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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02
  • 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:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.33 }} -0.04%

score

0.70460

percentile

CVSS31 - Vulnerability Scoring System
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