CVE-2022-1797

Rockwell Automation Logix Controllers Uncontrolled Resource Consumption

HIGH
8.6
CVSS Score
Published: May 31, 2022 at 07:04 PM UTC
Updated: June 17, 2026 at 04:23 AM UTC
18 products affected across 1 vendorGuardlogix 5580 FirmwareControllogix 5580 FirmwareCompactlogix 5380 Firmware

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Severity
HIGH8.6
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 34.011
Affected range stops below 34.011, so it looks safe — our inference, not a vendor statement
rockwellautomation-compact-guardlogix-5370 (same device)
v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement
v < 34.011
Affected range stops below 34.011, so it looks safe — our inference, not a vendor statement
rockwellautomation-compactlogix-5370 (same device)
v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement
v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement
v < 34.011
Affected range stops below 34.011, so it looks safe — our inference, not a vendor statement
rockwellautomation-controllogix-5570 (same device)
v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement
v < 34.011
Affected range stops below 34.011, so it looks safe — our inference, not a vendor statement
rockwellautomation-guardlogix-5570 (same device)
v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement
v ≤ 32.013v < 33.011
Affected range stops below 33.011, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_CONFIRMThird Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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