SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-16740

A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier.

CRITICAL 10.0EPSS 7.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A Buffer Overflow issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C Versions 21.002 and earlier. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.

CVSS 3.0
10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
7.14% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-120, CWE-119
Affected
rockwellautomation/1766-l32bxba firmware · rockwellautomation/1766-l32awa firmware · rockwellautomation/1766-l32bxb firmware · rockwellautomation/1766-l32bwaa firmware · rockwellautomation/1766-l32awaa firmware · rockwellautomation/1766-l32bwa firmware
Source
ics-cert@hq.dhs.gov

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