CVEPublished 2020-03-16Modified 2026-06-030 articles on news4 live referencesNVD data

CVE-2020-6988Rockwellautomation · Micrologix_1400_a_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
39
Exploit Prediction Scoring System · top 61% of all CVEs
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, A remote, unauthenticated attacker can send a request from the RSLogix 500 software to the victim’s MicroLogix controller. The controller will then respond to the client with used password values to authenticate the user on the client-side. This method of authentication may allow an attacker to bypass authentication altogether, disclose sensitive information, or leak credentials.

Timeline
Published 2020-03-16
Modified 2026-06-03

External references

Search for exposed instances

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More intel sources (5)

Known PoCs on GitHub (2)

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