Vulnerability Details CVE-2021-20594
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.019
EPSS Ranking 82.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf
Products affected by CVE-2021-20594
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cpe:2.3:h:mitsubishielectric:r08psfcpu:-
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cpe:2.3:h:mitsubishielectric:r08sfcpu:-
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cpe:2.3:h:mitsubishielectric:r120psfcpu:-
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cpe:2.3:h:mitsubishielectric:r120sfcpu:-
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cpe:2.3:h:mitsubishielectric:r16psfcpu:-
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cpe:2.3:h:mitsubishielectric:r16sfcpu:-
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cpe:2.3:h:mitsubishielectric:r32psfcpu:-
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cpe:2.3:h:mitsubishielectric:r32sfcpu:-
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cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:22
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cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:22
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cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:22
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cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:-
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cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:22