What is CVE-2019-10952?

CVE-2019-10952 is a critical-severity vulnerability in Rockwell Automation Armor Compact Guardlogix 5370 Controllers, classified under Uncontrolled Resource Consumption. CVSS score: 9.8/10. Published 2019-05-01.

How severe is CVE-2019-10952?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Rockwell Automation Armor Compact Guardlogix 5370 Controllers

CVE-2019-10952

An attacker could send a crafted HTTP/HTTPS request to render the web server unavailable and/or lead to remote code execution caused by a stack-based buffer overflow vulnerability. A cold restart is required for recovering CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

Vulnerability class: DoS (Denial of Service)

Published 2019-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.100 (95.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.100 · newest: 0.100 · change: 0.000

Affected products

Weakness classification (CWE)

References

ics-cert.us-cert.gov/advisories/ICSA-19-120-01 (US Government Resource, Third Party Advisory)
www.securityfocus.com/bid/108118 (VDB Entry, Third Party Advisory, vdb-entry)
rockwellautomation.custhelp.com/app/answers/detail/a_id/1075979

Frequently asked questions

What is CVE-2019-10952?: CVE-2019-10952 is a critical-severity vulnerability in Rockwell Automation Armor Compact Guardlogix 5370 Controllers, classified under Uncontrolled Resource Consumption. CVSS score: 9.8/10. Published 2019-05-01.
How severe is CVE-2019-10952?: Critical severity. CVSS v3 base score is 9.8 out of 10.