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TI-2019-08173 Aliases CVE-2019-10954GHSA-w6v6-c9pm-2p53

Rockwell Automation CompactLogix 5370 Stack-based Buffer Overflow

Priority MEDIUM 42CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

Why it matters now

EPSS 0.06104 93rd percentileScored 2026-11-07
Fix Fixed CompactLogix 5370 L1 controllers (Rockwell Automation): 20 - 30CompactLogix 5370 L2 controllers (Rockwell Automation): 20 - 30+3 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
RockwellCompactLogix 5370 L1 controllersbefore 20 - 3020 - 30Patch availableCNA
RockwellCompactLogix 5370 L2 controllersbefore 20 - 3020 - 30Patch availableCNA
RockwellCompactLogix 5370 L3 controllersbefore 20 - 3020 - 30Patch availableCNA
RockwellCompact GuardLogix 5370 controllersbefore 20 - 3020 - 30Patch availableCNA
RockwellArmor Compact GuardLogix 5370 controllersbefore 20 - 3020 - 30Patch availableCNA
  • CompactLogix 5370 L1 controllers VendorRockwell Affected before 20 - 30 Fixed in 20 - 30 Patch available CNA
  • CompactLogix 5370 L2 controllers VendorRockwell Affected before 20 - 30 Fixed in 20 - 30 Patch available CNA
  • CompactLogix 5370 L3 controllers VendorRockwell Affected before 20 - 30 Fixed in 20 - 30 Patch available CNA
  • Compact GuardLogix 5370 controllers VendorRockwell Affected before 20 - 30 Fixed in 20 - 30 Patch available CNA
  • Armor Compact GuardLogix 5370 controllers VendorRockwell Affected before 20 - 30 Fixed in 20 - 30 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:rockwellautomation:compactlogix_5370_l1_firmware:*:*:*:*:*:*:*:*20.011 – 30.014VulnerableRockwell
cpe:2.3:h:rockwellautomation:compactlogix_5370_l1:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:compactlogix_5370_l2_firmware:*:*:*:*:*:*:*:*20.011 – 30.014VulnerableRockwell
cpe:2.3:h:rockwellautomation:compactlogix_5370_l2:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:compactlogix_5370_l3_firmware:*:*:*:*:*:*:*:*20.011 – 30.014VulnerableRockwell
cpe:2.3:h:rockwellautomation:compactlogix_5370_l3:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:*20.011 – 30.014VulnerableRockwell
cpe:2.3:h:rockwellautomation:compact_guardlogix_5370:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:armor_compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:*20.011 – 30.014VulnerableRockwell
cpe:2.3:h:rockwellautomation:armor_compact_guardlogix_5370:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
  • cpe:2.3:o:rockwellautomation:compactlogix_5370_l1_firmware:*:*:*:*:*:*:*:* Versions 20.011 – 30.014 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:compactlogix_5370_l1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:compactlogix_5370_l2_firmware:*:*:*:*:*:*:*:* Versions 20.011 – 30.014 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:compactlogix_5370_l2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:compactlogix_5370_l3_firmware:*:*:*:*:*:*:*:* Versions 20.011 – 30.014 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:compactlogix_5370_l3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:* Versions 20.011 – 30.014 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:compact_guardlogix_5370:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:armor_compact_guardlogix_5370_firmware:*:*:*:*:*:*:*:* Versions 20.011 – 30.014 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:armor_compact_guardlogix_5370:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell

Remediation

  • Fix · CNA CompactLogix 5370 L1 controllers (Rockwell Automation) Fixed in 20 - 30
  • Fix · CNA CompactLogix 5370 L2 controllers (Rockwell Automation) Fixed in 20 - 30
  • Fix · CNA CompactLogix 5370 L3 controllers (Rockwell Automation) Fixed in 20 - 30
  • Fix · CNA Compact GuardLogix 5370 controllers (Rockwell Automation) Fixed in 20 - 30
  • Fix · CNA Armor Compact GuardLogix 5370 controllers (Rockwell Automation) Fixed in 20 - 30

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Rockwell Automation Armor Compact GuardLogix 5370 controllers, Compact GuardLogix 5370 controllers and 3 more products 20 - 30

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2019-08171 Rockwell Automation CompactLogix 5370 Uncontrolled Resource ConsumptionPriority MEDIUM 54

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-10954
  2. 2026-10-03 Alias added: GHSA-w6v6-c9pm-2p53

References

  • TI-2019-08171 Rockwell Automation CompactLogix 5370 Uncontrolled Resource Consumption CVSS 3.1CRITICAL 9.8
  • TI-2020-05646 Rockwell Automation CompactLogix 5370 and ControlLogix 5570 Controllers Improper Input Validation CVSS 3.1HIGH 8.6

Sources