SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-6984

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…

HIGH 7.5EPSS 2.85%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
2.85% probability · 86th percentile
CISA KEV
Not listed
Weakness
CWE-327
Affected
rockwellautomation/micrologix 1400 a firmware · rockwellautomation/micrologix 1400 b firmware · rockwellautomation/micrologix 1100 firmware · rockwellautomation/rslogix 500
Source
ics-cert@hq.dhs.gov

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.