Number: AV22-340
Date: 21 June 2022
On 21 June 2022 ICS-CERT published an ICS Advisory to highlight a vulnerability in the following products:
- MELSEC-Q Series Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU – all versions
- MELSEC-Q Series Q03/04/06/13/26UDVCPU – first five digits of serial number 24051 and prior
- MELSEC-Q Series Q04/06/13/26UDPVCPU – first five digits of serial number 24051 and prior
- MELSEC-L Series L02/06/26CPU(-P), L26CPU-(P)BT – first five digits of serial number 24051 and prior
Exploitation of this vulnerability could result in 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.