Critical severity · published Jul 12, 2023
CVE-2023-3595
Rockwell Automation ControlLogix Communication Modules Vulnerable to Remote Code Execution
9.8
CVSS
5.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
1S
1756-EN2F Series A, B · Rockwell Automation
<=5.008 & 5.028 · source: vendor
1S
1756-EN2F Series C · Rockwell Automation
<=11.003 · source: vendor
1S
1756-EN2FK Series A, B · Rockwell Automation
<=5.008 & 5.028 · source: vendor
1S
1756-EN2FK Series C · Rockwell Automation
<=11.003 · source: vendor
1S
1756-EN2T Series A, B, C · Rockwell Automation
<=5.008 & 5.028 · source: vendor
1S
1756-EN2T Series D · Rockwell Automation
<=11.003 · source: vendor
1S
1756-EN2TK Series A, B, C · Rockwell Automation
<=5.008 & 5.028 · source: vendor
1S
1756-EN2TP Series A · Rockwell Automation
<=11.003 · source: vendor
1S
1756-EN2TPK Series A · Rockwell Automation
<=11.003 · source: vendor
1S
1756-EN2TPXT Series A · Rockwell Auotmation
<=11.003 · source: vendor
1S
1756-EN2TR Series A, B · Rockwell Automation
<=5.008 & 5.028 · source: vendor
1S
1756-EN2TR Series C · Rockwell Automation
<=11.003 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3595
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3595
Permissions Required
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010
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