CVE-2022-24946

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-667CWE-413

Affected software

VendorProductVersions
n/aMitsubishi Electric MELSEC iQ-R Series R12CCPU-V; Mitsubishi Electric MELSEC-Q Series Q03UDECPU; Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC-Q SeriMitsubishi 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; Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior

References

Timeline

Published
Jun 15, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-24946: High severity, CVSS 7.5 | Vulnix