Description
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mitsubishi Electric | MELSEC iQ-R Series Safety CPU R08SFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series Safety CPU R16SFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series Safety CPU R32SFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series Safety CPU R120SFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU | all versions | — |
| Mitsubishi Electric | MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU | all versions | — |
Advisories 1
- ICSA-24-044-01 Mitsubishi Electric MELSEC iQ-R Series Safety CPU and SIL2 Process CPU (Update A) CISA ICS & IT advisories · May 16, 2024
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-021_en.pdf vendor-advisory
- https://jvn.jp/vu/JVNVU95085830/index.html government-resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01 government-resource