Vulnerability CVE-2020-5594
Published: 2020-06-23

Description:
Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions contain a vulnerability that allows cleartext transmission of sensitive information between CPU modules and GX Works3 and/or GX Works2 via unspecified vectors.

Type:

CWE-319

 (Cleartext Transmission of Sensitive Information)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
https://jvn.jp/en/vu/JVNVU91424496/index.html
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-003.pdf
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-003_en.pdf
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