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CVE-2020-6984

Published: Mar 16, 2020Updated: Jun 3, 2026 Sources: CVE List NVD BDU csafCWE-327
NVD MITRE
7.5CVSSHIGH
EPSS Score
2.8%
Top 15.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-327

Affected Products

Allen Bradley MicroLogix 1400 Series ARockwell Automation Inc.ICS / OT / IoT
Allen Bradley MicroLogix 1100Rockwell Automation Inc.ICS / OT / IoT
RSLogix 500Rockwell Automation Inc.ICS / OT / IoT
Allen Bradley MicroLogix 1400 Series BRockwell Automation Inc.ICS / OT / IoT
micrologix 1400 a firmwarerockwellautomationICS / OT / IoT
rockwell automation inc.commercialUSICS / OT / IoTaka rockwell automation arena, thinmanager, guardlogix 5580
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
and 4 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.us-cert.gov/ics/advisories/icsa-20-070-06
us-cert.gov
https://www.cybersecurity-help.cz/vdb/SB2020031124
cybersecurity-help.cz
https://www.us-cert.gov/ics/advisories/icsa-20-070-06
us-cert.gov
and 12 more references View all →

Timeline

Published
Mar 16, 2020
Last Updated
Jun 3, 2026

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