SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-14466

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before.

CRITICAL 9.8EPSS 36.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 36.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability. Required Keyswitch State: REMOTE or PROG Description: The filetype 0x03 allows users write access, allowing the ability to overwrite the Master Password value stored in the file.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
36.84% probability · 98th percentile
CISA KEV
Not listed
Affected
rockwellautomation/micrologix 1400 b firmware
Source
talos-cna@cisco.com

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