HOMEVULNERABILITIESCVE-2022-33323
HIGH

CVE-2022-33323

CWE-489Published: February 2, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Active Debug Code vulnerability in robot controller of Mitsubishi Electric Corporation industrial robot MELFA SD/SQ Series and MELFA F-Series allows a remote unauthenticated attacker to gain unauthorized access by authentication bypass through an unauthorized telnet login. As for the affected model names, controller types and firmware versions, see the Mitsubishi Electric's advisory which is listed in [References] section.

NVD Source

Technical Analysis

CVE-2022-33323 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 7.5.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

mitsubishielectric102 product(s)
rh-12sdh55 firmwarerh-12sdh55rh-12sdh70 firmwarerh-12sdh70rh-12sdh85 firmwarerh-12sdh85rh-12sqh55 firmwarerh-12sqh55rh-12sqh70 firmwarerh-12sqh70rh-12sqh85 firmwarerh-12sqh85+90
Source: NVD CPE · 102 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/JVNVU94588481/index.html
ADVISORYhttps://www.cisa.gov/uscert/ics/advisories/icsa-23-026-05
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-020_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU94588481/index.html
ADVISORYhttps://www.cisa.gov/uscert/ics/advisories/icsa-23-026-05
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-020_en.pdf

All References (6)

→
https://jvn.jp/vu/JVNVU94588481/index.htmlThird Party Advisory
→
https://www.cisa.gov/uscert/ics/advisories/icsa-23-026-05Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-020_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU94588481/index.htmlThird Party Advisory
→
https://www.cisa.gov/uscert/ics/advisories/icsa-23-026-05Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-020_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2022-33323
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-489
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 2, 2023

Related CVEs (CWE-489)

CVE-2025-46674
9.9
CVE-2026-49188
9.8
CVE-2024-32047
9.8
CVE-2023-4804
9.8
CVE-2024-21785
9.8
CVE-2022-32585
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-33323 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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