CVE-2021-20594
N/A
N/A
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU | Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior | affected |
| n/a | Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU | Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior | affected |
Weaknesses
- Exposure of Sensitive Information to an Unauthorized Actor
ADP Enrichment
CVE Program Container
Additional References
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
References
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
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