CVE-2024-3493: rockwell automation 1756-en4tr Improper Input Validation

Vulnerability summary

CVE-2024-3493 is a high (CVSS 8.6) Improper Input Validation vulnerability in rockwell automation 1756-en4tr. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities.

Timeline

1. 15-04-2024
   PublishedVulnerability first disclosed.
2. 12-08-2024
   Last modifiedVulnerability information updated.

Description

A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.