SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-3596

Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.

HIGH 7.5EPSS 3.67%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.67%). 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-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.67% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
rockwellautomation/1756-en4tr firmware · rockwellautomation/1756-en4trk firmware · rockwellautomation/1756-en4trxt firmware
Source
PSIRT@rockwellautomation.com

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