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Vulnerability record · CVE-2022-1161 · published 11 April 2022

CVE-2022-1161: Rockwellautomation compactlogix 1768-l43 firmware inclusion from untrusted sphere vulnerability

Rockwellautomation · Compactlogix 1768 L43 Firmware

An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, and GuardLogix Control systems. Studio 5000 Logix Designer writes user-readable program code to a separate location than the executed compiled code, allowing an attacker to change one and not the other.

9.8 CVSS 3.1 Critical EPSS 5.2% · top 7.8% CWE-829 · Inclusion from untrusted sphere
9.8CVSS 3.1 base score, v2 7.5
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
24Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix, and GuardLogix Control systems. Studio 5000 Logix Designer writes user-readable program code to a separate location than the executed compiled code, allowing an attacker to change one and not the other.

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

Affected products

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

References

LinkTags
https://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05 Third Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05 Third Party AdvisoryUS Government Resource

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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-2022-1161), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.