Is CVE-2022-24946 actively exploited?

No active exploitation of CVE-2022-24946 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-24946 be exploited remotely?

Yes. CVE-2022-24946 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-24946?

CVE-2022-24946 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2022-24946

HIGH

CVE-2022-24946

CWE-667Published: June 15, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number "24051" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery.

NVD Source

Technical Analysis

CVE-2022-24946 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 availability disruption (denial of service), 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

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

mitsubishielectric64 product(s)

q03udecpu firmwareq03udecpuq04udehcpu firmwareq04udehcpuq04udpvcpu firmwareq04udpvcpuq04udvcpu firmwareq04udvcpuq100udehcpu firmwareq100udehcpuq50udehcpu firmwareq50udehcpu+52

Source: NVD CPE · 64 total CPE entries