CVE-2024-6077: 1756-en4 Input Validation Flaw — Fix

Description

A denial-of-service vulnerability exists in the Rockwell Automation affected products when specially crafted packets are sent to the CIP Security Object. If exploited the device will become unavailable and require a factory reset to recover.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
rockwellautomation	compactlogix_5380_firmware	All
rockwellautomation	compactlogix_5380	All
rockwellautomation	compact_guardlogix_5380_sil_2_firmware	All
rockwellautomation	compact_guardlogix_5380_sil_2	All
rockwellautomation	compact_guardlogix_5380_sil_3_firmware	All
rockwellautomation	compact_guardlogix_5380_sil_3	All
rockwellautomation	compactlogix_5480_firmware	All
rockwellautomation	compactlogix_5480	All
rockwellautomation	controllogix_5580_firmware	All
rockwellautomation	controllogix_5580	All
rockwellautomation	guardlogix_5580_firmware	All
rockwellautomation	guardlogix_5580	All
rockwellautomation	1756-en4_firmware	All
rockwellautomation	1756-en4	All

References

Advisories & Patches

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1963.html

Frequently Asked Questions

What is CVE-2024-6077? +

A denial-of-service vulnerability exists in the Rockwell Automation affected products when specially crafted packets are sent to the CIP Security Object. If exploited the device will become unavailable and require a factory reset to recover. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-6077? +

CVE-2024-6077 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-6077? +

CVE-2024-6077 affects products from rockwellautomation, specifically: 1756-en4, 1756-en4_firmware, compact_guardlogix_5380_sil_2, compact_guardlogix_5380_sil_2_firmware, compact_guardlogix_5380_sil_3, compact_guardlogix_5380_sil_3_firmware, compactlogix_5380, compactlogix_5380_firmware, compactlogix_5480, compactlogix_5480_firmware, controllogix_5580, controllogix_5580_firmware, guardlogix_5580, guardlogix_5580_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6077? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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