7.5
HIGH
CVE-2020-6984
Rockwell Automation MicroLogix Password Hash Vulnerability
Description

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic function utilized to protect the password in MicroLogix is discoverable.

INFO

Published Date :

March 16, 2020, 4:15 p.m.

Last Modified :

March 20, 2020, 2:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-6984 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_1100_firmware
2 Rockwellautomation micrologix_1400_b_firmware
3 Rockwellautomation micrologix_1400_a_firmware
4 Rockwellautomation rslogix_500
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-2020-6984.

URL Resource
https://www.us-cert.gov/ics/advisories/icsa-20-070-06 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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-6984 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-6984 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]

    Mar. 20, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.us-cert.gov/ics/advisories/icsa-20-070-06 No Types Assigned https://www.us-cert.gov/ics/advisories/icsa-20-070-06 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-327
    Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:micrologix_1400_a_firmware:*:*:*:*:*:*:*:* *cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:*:*:*:*:*:*:*:* versions up to (including) 21.001 OR cpe:2.3:h:rockwellautomation:micrologix_1400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:rockwellautomation:rslogix_500:*:*:*:*:*:*:*:* versions up to (including) 12.001
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-6984 is associated with the following CWEs:

Exploit Prediction

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

1.30 }} 0.00%

score

0.83759

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
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