CVE-2023-3595
9.8
CRITICAL · CVSS 3.1 · EPSS 5.5% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.53% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-07-12 |
| Last modified | 2026-06-17 |
Affected (24)
| Vendor | Product |
|---|---|
| rockwellautomation | 1756-en2f series a |
| rockwellautomation | 1756-en2f series a firmware |
| rockwellautomation | 1756-en2f series b |
| rockwellautomation | 1756-en2f series b firmware |
| rockwellautomation | 1756-en2f series c |
| rockwellautomation | 1756-en2f series c firmware |
| rockwellautomation | 1756-en2t series a |
| rockwellautomation | 1756-en2t series a firmware |
| rockwellautomation | 1756-en2t series b |
| rockwellautomation | 1756-en2t series b firmware |
| rockwellautomation | 1756-en2t series c |
| rockwellautomation | 1756-en2t series c firmware |
| rockwellautomation | 1756-en2t series d |
| rockwellautomation | 1756-en2t series d firmware |
| rockwellautomation | 1756-en2tr series a |
| rockwellautomation | 1756-en2tr series a firmware |
| rockwellautomation | 1756-en2tr series b |
| rockwellautomation | 1756-en2tr series b firmware |
| rockwellautomation | 1756-en2tr series c |
| rockwellautomation | 1756-en2tr series c firmware |
| rockwellautomation | 1756-en3tr series a |
| rockwellautomation | 1756-en3tr series a firmware |
| rockwellautomation | 1756-en3tr series b |
| rockwellautomation | 1756-en3tr series b firmware |
References
→ the Explorer · watch your stack · NVD