CVE-2019-10952

Name: CVE-2019-10952
Creator: NVD / NIST
Published: 2019-05-01T20:29:00.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 9.99%

Last modified Jun 17, 2026

CVE-2019-10952 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 9.99% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

9.99%

95.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	Compactlogix 5370 L1 Firmware	>= 20.011, <= 30.014
Rockwellautomation	Compactlogix 5370 L2 Firmware	>= 20.011, <= 30.014
Rockwellautomation	Compactlogix 5370 L3 Firmware	>= 20.011, <= 30.014
Rockwellautomation	Armor Compact Guardlogix 5370 Firmware	>= 20.011, <= 30.014

References

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

Timeline

Published: May 1, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10952?

How severe is CVE-2019-10952?

CVE-2019-10952 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 9.99% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10952?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10952?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST