SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-3595

Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted…

CRITICAL 9.8EPSS 5.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device.

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
5.53% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
rockwellautomation/1756-en2f series a firmware · rockwellautomation/1756-en2f series b firmware · rockwellautomation/1756-en2f series c firmware · rockwellautomation/1756-en2t series a firmware · rockwellautomation/1756-en2t series b firmware · rockwellautomation/1756-en2t series c firmware · rockwellautomation/1756-en2t series d firmware · rockwellautomation/1756-en2tr series a firmware · rockwellautomation/1756-en2tr series b firmware · rockwellautomation/1756-en2tr series c firmware · rockwellautomation/1756-en3tr series a firmware · rockwellautomation/1756-en3tr series b firmware
Source
PSIRT@rockwellautomation.com

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