CVE-2021-20599
- State
- Published
- Severity
- 9.1 Critical
- Published
- Oct 14, 2021
- Updated
- Aug 3, 2024
- Reserved
- Dec 17, 2020
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | Mitsubishi |
Weaknesses
- CWE-319 Cleartext Transmission of Sensitive Information
Affected Products
| Product | Versions |
|---|---|
MELSEC iQ-R Series Safety CPU R08SFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series Safety CPU R16SFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series Safety CPU R32SFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series Safety CPU R120SFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R Series SIL2 Process CPU R08PSFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series SIL2 Process CPU R16PSFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series SIL2 Process CPU R32PSFCPUMitsubishi Electric Corporation |
|
MELSEC iQ-R series SIL2 Process CPU R120PSFCPUMitsubishi Electric Corporation |
|
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdfvendor-advisory
- https://jvn.jp/vu/JVNVU98578731government-resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03government-resource
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