by Kastro CVE-2021-20599
Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08SFCPU — Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety…
Description · from the CVE record
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
ProductAffectedFixed inSource
MELSEC iQ-R Series Safety CPU R08SFCPUFirmware versions "26" and prior–CNA
MELSEC iQ-R series Safety CPU R16SFCPUFirmware versions "26" and prior–CNA
MELSEC iQ-R series Safety CPU R32SFCPUFirmware versions "26" and prior–CNA
MELSEC iQ-R series Safety CPU R120SFCPUFirmware versions "26" and prior–CNA
MELSEC iQ-R Series SIL2 Process CPU R08PSFCPUFirmware versions "11" and prior–CNA
MELSEC iQ-R series SIL2 Process CPU R16PSFCPUFirmware versions "11" and prior–CNA
MELSEC iQ-R series SIL2 Process CPU R32PSFCPUFirmware versions "11" and prior–CNA
MELSEC iQ-R series SIL2 Process CPU R120PSFCPUFirmware versions "11" and prior–CNA
melsec_iq-r08sfcpu-–CISA-ADP
r16sfcpu-–CISA-ADP
r32sfcpu-–CISA-ADP
r120sfcpu-–CISA-ADP
Scores by source
Mitsubishi (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total