Rockwell ControlLogix, CompactLogix and GuardLogix Improper Input Validation (CVE-2024-3493)

high Tenable OT Security Plugin ID 502209

Synopsis

The remote OT asset is affected by a vulnerability.

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). If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, a MNRF could result in a loss of view and/or control of connected devices.

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Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Rockwell Automation has released product updates addressing this vulnerability:

- ControlLogix 5580: Update to version V35.013 or V36.011
- GuardLogix 5580: Update to version V35.013 or V36.011
- CompactLogix 5380: Update to version V35.013 or V36.011
- 1756-EN4TR: Update to version V6.001

For more information, see Rockwell Automation's security advisory (Login required).

Plugin Details

Severity: High

ID: 502209

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 4/17/2024

Updated: 4/17/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rockwellautomation:controllogix_5580_firmware, cpe:/o:rockwellautomation:guardlogix_5580_firmware, cpe:/o:rockwellautomation:compactlogix_5380_firmware, cpe:/o:rockwellautomation:1756-en4tr_firmware

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2024

Vulnerability Publication Date: 4/16/2024

Reference Information

CVE: CVE-2024-3493

CWE: 20

Detections

Analytics