Buffer overflow in Rockwell Auotmation 1756-En2tpxt Series A
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 CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device.
Vulnerability class: Buffer Overflow
EPSS: 0.047 (90.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rockwell Auotmation 1756-en2tpxt Series A — versions <=11.003
- Rockwell Automation 1756-en2fk Series A, B — versions <=5.008 & 5.028
- Rockwell Automation 1756-en2fk Series C — versions <=11.003
- Rockwell Automation 1756-en2f Series A, B — versions <=5.008 & 5.028
- Rockwell Automation 1756-en2f Series C — versions <=11.003
- Rockwell Automation 1756-en2tk Series A, B, C — versions <=5.008 & 5.028
- Rockwell Automation 1756-en2tpk Series A — versions <=11.003
- Rockwell Automation 1756-en2tp Series A — versions <=11.003
- Rockwell Automation 1756-en2trk Series A, B — versions <=5.008 & 5.028
- Rockwell Automation 1756-en2trk Series C — versions <=11.003
Weakness classification (CWE)
References
- PSIRT@rockwellautomation.com (Permissions Required, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-3595?
- CVE-2023-3595 is a critical-severity vulnerability in Rockwell Auotmation 1756-En2tpxt Series A, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-07-12.
- How severe is CVE-2023-3595?
- Critical severity. CVSS v3 base score is 9.8 out of 10.