[Control systems] Mitsubishi Electric security advisory (AV22-281)

Number: AV22-281
Date: 20 May 2022

On 19 May 2022 ICS-CERT published an ICS Advisory to highlight vulnerabilities in the following products:

  • MELSEC iQ-F FX5U-xMy/z x=32,64,80, y=T,R, z=ES,DS,ESS,DSS – versions prior to 1.270
  • MELSEC iQ-F FX5UC-xMy/z x=32,64,96, y=T,R, z=D,DSS – versions prior to 1.270
  • MELSEC iQ-F FX5UC-32MT/DS-TS, FX5UC-32MT/DSS-TS, FX5UC-32MR/DS – versions prior to 1.270
  • MELSEC iQ-F FX5UJ-xMy/z x=24,40,60, y=T,R, z=ES,ESS – versions prior to 1.030

Exploitation of these vulnerabilities could result in a denial of service.

The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates.

ICS Advisory (ICSA-22-139-01)

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