HIGH
CVE-2022-31205
CWE-312Published: July 26, 2022· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication.
Technical Analysis
CVE-2022-31205 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), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
omron14 product(s)
sysmac cs1 firmwaresysmac cs1sysmac cj2m firmwaresysmac cj2msysmac cj2h firmwaresysmac cj2hsysmac cp1e firmwaresysmac cp1esysmac cp1h firmwaresysmac cp1hsysmac cp1l firmwaresysmac cp1l+2
Source: NVD CPE · 14 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
All References (4)
→
https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02Third Party Advisory · US Government Resource
→
https://www.forescout.com/blog/Third Party Advisory
→
https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02Third Party Advisory · US Government Resource
→
https://www.forescout.com/blog/Third Party Advisory
Quick Facts
CVE IDCVE-2022-31205
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedJul 26, 2022
Related CVEs (CWE-312)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-31205 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.