HOMEVULNERABILITIESCVE-2022-1161
CRITICAL

CVE-2022-1161

CWE-829Published: April 11, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-1161 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

rockwellautomation48 product(s)
compactlogix 1768-l43 firmwarecompactlogix 1768-l43compactlogix 1768-l45 firmwarecompactlogix 1768-l45compactlogix 1769-l31 firmwarecompactlogix 1769-l31compactlogix 1769-l32c firmwarecompactlogix 1769-l32ccompactlogix 1769-l32e firmwarecompactlogix 1769-l32ecompactlogix 1769-l35cr firmwarecompactlogix 1769-l35cr+36
Source: NVD CPE · 48 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05
ADVISORYhttps://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05

All References (2)

→
https://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05Third Party Advisory · US Government Resource
→
https://www.cisa.gov/uscert/ics/advisories/icsa-22-090-05Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2022-1161
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-829
CISA KEVNo
Affected1 vendor(s)
PublishedApr 11, 2022

Related CVEs (CWE-829)

CVE-2020-4561
10.0
CVE-2025-0982
10.0
CVE-2026-27941
9.9
CVE-2017-5397
9.8
CVE-2023-26053
9.8
CVE-2019-13589
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-1161 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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