Micrologix 1100 Firmware
CVE-2020-6980
LOW
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-312. 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. Affected products include: Rockwellautomation Micrologix 1400 A Firmware, Rockwellautomation Micrologix 1400 B Firmware, Rockwellautomation Micrologix 1100 Firmware, Rockwellautomation Rslogix 500.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Same weakness CWE-312 – Cleartext Storage of Sensitive Information
View allSame technique Information Disclosure
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External POC / Exploit Code
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