CVE-2021-20599
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mitsubishi Electric Corporation | MELSEC iQ-R Series Safety CPU R08SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R16SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R32SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series Safety CPU R120SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU | Firmware versions "11" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R16PSFCPU | Firmware versions "11" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R32PSFCPU | Firmware versions "11" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R series SIL2 Process CPU R120PSFCPU | Firmware versions "11" and prior | affected |
Weaknesses
- CWE-319: CWE-319 Cleartext Transmission of Sensitive Information
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
CVE Program Container
Additional References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf
- https://jvn.jp/vu/JVNVU98578731
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf
- https://jvn.jp/vu/JVNVU98578731
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03
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