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CVE-2022-45790

Omron FINS memory protection susceptible to bruteforce

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.5, 2.1, 4.1, 1.4, 1.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Omron CJ-series and CS-series CPU modules

    From CJ2H 0.0 · fixed in 1.5; From CJ2M 0.0 · fixed in 2.1; From CJ1G 0.0 · fixed in 4.1; From CS1H 0.0 · fixed in 4.1; From CS1G 0.0 · fixed in 4.1; From CS1D-H 0.0 · fixed in 1.4; From CP1E-E 0.0 · fixed in 1.3; From CP1E-N 0.0 · fixed in 1.3; From CS1D-P 0.0 · fixed in 1.4

References 3

cisa.gov

fa.omron.co.jp

dragos.com