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Vulnerability record · CVE-2019-10954 · published 1 May 2019

CVE-2019-10954: Rockwellautomation compactlogix 5370 l1 firmware stack-based buffer overflow vulnerability

Rockwellautomation · Compactlogix 5370 L1 Firmware

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.

7.5 CVSS 3.1 High EPSS 6.1% · top 6.8% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 7.8
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/108118 Broken Link
https://ics-cert.us-cert.gov/advisories/ICSA-19-120-01 Third Party AdvisoryUS Government Resource
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1075979
http://www.securityfocus.com/bid/108118 Broken Link
https://ics-cert.us-cert.gov/advisories/ICSA-19-120-01 Third Party AdvisoryUS Government Resource
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1075979

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-10954), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.