Home/CVE/Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series,
CVE

CVE-2023-0457

Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series,

Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series, MELSEC-Q Series and MELSEC-L Series allows a remote unauthenticated attacker to disclose plaintext credentials stored in project files and login into FTP server or Web server.

HIGH · CVSS 7.5 EPSS 0.01897
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-256Plaintext Storage of a Password
CWE-522Insufficiently Protected Credentials
▤

Affected Products & Versions

38
mitsubishielectric fx5uc-32mr\/ds-ts firmwareall versions
mitsubishielectric fx5uc-32mt\/d firmwareall versions
mitsubishielectric fx5uc-32mt\/dss firmwareall versions
mitsubishielectric fx5uc-32mt\/dss-ts firmwareall versions
mitsubishielectric fx5uc-32mt\/ds-ts firmwareall versions
mitsubishielectric fx5uc-64mt\/d firmwareall versions
mitsubishielectric fx5uc-64mt\/dss firmwareall versions
mitsubishielectric fx5uc-96mt\/d firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Mar 2023 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-061-01
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jvn.jp/vu/JVNVU93891523/index.htmlThird Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01MitigationThird Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdfVendor Advisory
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