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CVE-2019-10954

Rockwell Automation CompactLogix 5370 Stack-based Buffer Overflow

Published: May 1, 2019Updated: Feb 20, 2026 Sources: CVE List NVD csafCWE-121
NVD MITRE
7.5CVSSHIGH
EPSS Score
6.1%
Top 7.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-121CWE-787

Affected Products

compactlogix 5370 l1 firmwarerockwellautomationICS / OT / IoT
compactlogix 5370 l2 firmwarerockwellautomationICS / OT / IoT
compactlogix 5370 l3 firmwarerockwellautomationICS / OT / IoT
compact guardlogix 5370 firmwarerockwellautomationICS / OT / IoT
armor compact guardlogix 5370 firmwarerockwellautomationICS / OT / IoT
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.securityfocus.com/bid/108118
securityfocus.com
https://ics-cert.us-cert.gov/advisories/ICSA-19-120-01
ics-cert.us-cert.gov
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1075979
rockwellautomation.custhelp.com
and 6 more references View all →

Timeline

Published
May 1, 2019
Last Updated
Feb 20, 2026

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