CVE-2022-33323

CVE-2022-33323 is a high-severity vulnerability in Mitsubishielectric Rh-12sdh55 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-489.

Key facts

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.

Frequently asked questions

What is CVE-2022-33323?
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.
How severe is CVE-2022-33323?
CVE-2022-33323 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-33323 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33323?
CVE-2022-33323 primarily affects Mitsubishielectric Rh-12sdh55 Firmware. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33323?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-33323 published?
CVE-2022-33323 was published on 2023-02-02 and last updated on 2026-06-17.

References

Affected products (51)

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