Vulnerability · Published Jul 12, 2023 · Assigned by Rockwell
CVE-2023-3596Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service
High 7.5
In plain English
A high-severity out-of-bounds write in 1756-EN4TR Series A from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.7%top 10.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | 1756-EN4TR Series A | <=5.001 |
| Rockwell Automation | 1756-EN4TRK Series A | <=5.001 |
| Rockwell Automation | 1756-EN4TRXT Series A | <=5.001 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H