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Vulnerability record · CVE-2020-6980 · published 16 March 2020

CVE-2020-6980: Rockwellautomation micrologix 1400 a firmware cleartext storage of sensitive data vulnerability

Rockwellautomation · Micrologix 1400 A Firmware

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, If Simple Mail Transfer Protocol (SMTP) account data is saved in RSLogix 500, a local attacker with access to a victim’s project may be able to gather SMTP server authentication data as it is written to the project file in cleartext.

3.3 CVSS 3.1 Low EPSS 0.42% · top 66.2% CWE-312 · Cleartext storage of sensitive data
3.3CVSS 3.1 base score, v2 2.1
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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, If Simple Mail Transfer Protocol (SMTP) account data is saved in RSLogix 500, a local attacker with access to a victim’s project may be able to gather SMTP server authentication data as it is written to the project file in cleartext.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.us-cert.gov/ics/advisories/icsa-20-070-06 Third Party AdvisoryUS Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-070-06 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-6990Rockwellautomation micrologix 1400 a firmware hard-coded credentials vulnerabilityRockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix…EPSS 4.4%9.8CVE-2017-14473Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%9.8CVE-2017-14471Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%9.8CVE-2017-14472Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%9.8CVE-2017-14470Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%9.8CVE-2017-14463Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 39%9.8CVE-2017-14468Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%9.8CVE-2017-14466Rockwellautomation micrologix 1400 b firmware vulnerabilityAn exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400…EPSS 38%

Source: NIST National Vulnerability Database (record CVE-2020-6980), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.