#VU64579 Origin validation error in Mitsubishi Electric products - CVE-2022-24946

Vulnerability identifier: #VU64579

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-24946

CWE-ID: CWE-346

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
MELSEC-Q Q03UDECPU
MELSEC iQ-Q 04 UDEHCPU
MELSEC iQ-Q 06 UDEHCPU
MELSEC iQ-Q 10 UDEHCPU
MELSEC iQ-Q 13 UDEHCPU
MELSEC iQ-Q 20 UDEHCPU
MELSEC iQ-Q 26 UDEHCPU
MELSEC iQ-Q 50 UDEHCPU
MELSEC iQ-Q 100 UDEHCPU
MELSEC iQ-Q 03 UDVCPU
MELSEC iQ-Q 04 UDVCPU
MELSEC iQ-Q 06 UDVCPU
MELSEC iQ-Q 13 UDVCPU
MELSEC iQ-Q 26 UDVCPU
MELSEC iQ-Q 04 UDPVCPU
MELSEC iQ-Q 06 UDPVCPU
MELSEC iQ-Q 13 UDPVCPU
MELSEC iQ-Q 26 UDPVCPU
MELSEC L Series L26CPU-(P)BT
MELSEC L Series L26CPU(-P)
MELSEC L Series L02CPU(-P)
MELSEC L Series L06CPU(-P)

Software vendor:
Mitsubishi Electric

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource locking. A remote attacker can send a specially crafted packet and cause a denial of service condition on the target system.

Install updates from vendor's website.

• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf
• https://jvn.jp/vu/JVNVU90895626/index.html
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01