HOMEVULNERABILITIESCVE-2022-45790
CRITICAL

CVE-2022-45790

CWE-307Published: January 22, 2024· Updated: Jun 17, 2026

9.1
CVSS v3.1

Official Description

The Omron FINS protocol has an authenticated feature to prevent access to memory regions. Authentication is susceptible to bruteforce attack, which may allow an adversary to gain access to protected memory. This access can allow overwrite of values including programmed logic.

NVD Source

Technical Analysis

CVE-2022-45790 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), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

omron92 product(s)
cj1g-cpu45p firmwarecj1g-cpu45pcj1g-cpu45p-gtc firmwarecj1g-cpu45p-gtccj1g-cpu44p firmwarecj1g-cpu44pcj1g-cpu43p firmwarecj1g-cpu43pcj1g-cpu42p firmwarecj1g-cpu42pcp1e-e firmwarecp1e-e+80
Source: NVD CPE · 92 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/news-events/ics-advisories/icsa-23-262-05
ADVISORYhttps://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/
ADVISORYhttps://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05
ADVISORYhttps://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/
ADVISORYhttps://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdf

All References (6)

→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05Third Party Advisory · US Government Resource
→
https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/Third Party Advisory
→
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdfVendor Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05Third Party Advisory · US Government Resource
→
https://www.dragos.com/advisory/omron-plc-and-engineering-software-network-and-file-format-access/Third Party Advisory
→
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-010_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2022-45790
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-307
CISA KEVNo
Affected1 vendor(s)
PublishedJan 22, 2024

Related CVEs (CWE-307)

CVE-2020-35565
9.8
CVE-2021-27514
9.8
CVE-2020-28212
9.8
CVE-2020-25196
9.8
CVE-2020-35590
9.8
CVE-2019-18235
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-45790 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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