HOMEVULNERABILITIESCVE-2023-0457
HIGH

CVE-2023-0457

CWE-256Published: March 3, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-0457 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

mitsubishielectric76 product(s)
fx5uc-32mr\/ds-ts firmwarefx5uc-32mr\/ds-tsfx5uc-32mt\/d firmwarefx5uc-32mt\/dfx5uc-32mt\/dss firmwarefx5uc-32mt\/dssfx5uc-32mt\/dss-ts firmwarefx5uc-32mt\/dss-tsfx5uc-32mt\/ds-ts firmwarefx5uc-32mt\/ds-tsfx5uc-64mt\/d firmwarefx5uc-64mt\/d+64
Source: NVD CPE · 76 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/vu/JVNVU93891523/index.html
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU93891523/index.html
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdf

All References (6)

→
https://jvn.jp/vu/JVNVU93891523/index.htmlThird Party Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01Mitigation · Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU93891523/index.htmlThird Party Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-061-01Mitigation · Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-023_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2023-0457
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-256
CISA KEVNo
Affected1 vendor(s)
PublishedMar 3, 2023

Related CVEs (CWE-256)

CVE-2020-6961
10.0
CVE-2025-6561
9.8
CVE-2024-36081
9.8
CVE-2025-27656
9.8
CVE-2025-27662
9.8
CVE-2025-5893
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-0457 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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