CVE-2020-16850 | BDVDB-2026-145262 Detail

Description#

Mitsubishi MELSEC iQ-R Series PLCs with firmware 49 allow an unauthenticated attacker to halt the industrial process by sending a crafted packet over the network. This denial of service attack exposes Improper Input Validation. After halting, physical access to the PLC is required in order to restore production, and the device state is lost. This is related to R04CPU, RJ71GF11-T2, R04CPU, and RJ71GF11-T2.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://blog.scadafence.com/vulnerability-in-mitsubishi-electric-melsec-iq-r-series
https://us-cert.cisa.gov/ics/advisories/icsa-20-282-02

Exploit#

No public exploit known

History#

Version 12020-11-30Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.