Cyber Resilience

CVE-2022-3752

High

Published: 19 December 2022

Published
19 December 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score 0.0150 81.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-3752 is a high-severity Improper Input Validation (CWE-20) vulnerability in Rockwellautomation Compactlogix 5480 Firmware. Its CVSS base score is 8.6 (High).

Operationally, ranked in the top 18.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a…

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user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

rockwellautomation
compactlogix 5480 firmware
≥ 32.011
rockwellautomation
compactlogix 5580 firmware
≥ 31.011
rockwellautomation
guardlogix 5580 firmware
≥ 32.011
rockwellautomation
compact guardlogix 5380 firmware
≥ 31.011
rockwellautomation
compactlogix 5380 firmware
≥ 31.011

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References