CVE-2022-24946
Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi…
- Published
- Updated
- Reserved
- Assigned by
- Mitsubishi
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.8% · top 22% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
Mitsubishi 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 Series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V; Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G); Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS; Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC-L series L26CPU-(P)BT; Mitsubishi Electric MELIPC Series MI5122-VW
- affected Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior
- affected Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior
- affected Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. "24061" and prior
- affected Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number "24051" and prior
- affected Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number "24051" and prior
- affected Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions
- affected Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions
- affected Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions
- affected Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number "24051" and prior
- affected Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number "24051" and prior
- affected Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior
References (3)
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/vu/JVNVU90895626/index.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-24946)Record last updated .