SARA / Free Tools / CVE / CVE-2024-3493

CVE-2024-3493 — A specific malformed fragmented packet type (fragmented packets may be generated

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-EN4

CVSS
8.6 HIGH
EPSS
6.00% (top 81.30%)
CWE
CWE-20
Published
2024-04-15T21:17:36.077Z
Last modified
2024-08-12T15:16:08.155Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Rockwell AutomationControlLogix 5580v35.011
Rockwell AutomationGuardLogix 5580v35.011
Rockwell AutomationCompactLogix 5380v5.001
Rockwell Automation1756EN4TR — v5.001

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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