HOMEVULNERABILITIESCVE-2023-1618
HIGH

CVE-2023-1618

CWE-489Published: May 19, 2023· Updated: Jun 17, 2026

8.6
CVSS v3.1

Official Description

Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.

NVD Source

Technical Analysis

CVE-2023-1618 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 full integrity compromise (data manipulation), with a CVSS base score of 8.6.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

mitsubishielectric2 product(s)
melsec ws0-geth00200 firmwaremelsec ws0-geth00200
Source: NVD CPE · 2 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/JVNVU96063959
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-138-02
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU96063959
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-138-02
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdf

All References (6)

→
https://jvn.jp/vu/JVNVU96063959Third Party Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-138-02Mitigation · Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU96063959Third Party Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-138-02Mitigation · Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2023-1618
CVSS Score8.6 / 10
SeverityHIGH
WeaknessCWE-489
CISA KEVNo
Affected1 vendor(s)
PublishedMay 19, 2023

Related CVEs (CWE-489)

CVE-2025-46674
9.9
CVE-2024-28008
9.8
CVE-2022-32585
9.8
CVE-2023-4804
9.8
CVE-2023-32645
9.8
CVE-2024-21785
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-1618 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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