Improper Resource Shutdown or Release in Mitsubishi Electric products - CVE-2022-33324

Vulnerability identifier: #VU70639

CSH Severity: 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-2022-33324

CWE-ID: CWE-404

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
MELSEC iQ-R 00 CPU
MELSEC iQ-R 01 CPU
MELSEC iQ-R 02 CPU
MELSEC iQ-R 04 (EN) CPU
MELSEC iQ-R 08 (EN) CPU
MELSEC iQ-R 16 (EN) CPU
MELSEC iQ-R 32 (EN) CPU
MELSEC iQ-R 120 (EN) CPU
MELSEC iQ-R 08 SFCPU
MELSEC iQ-R 16 SFCPU
MELSEC iQ-R 32 SFCPU
MELSEC iQ-R 120 SFCPU
MELSEC iQ-L 04 HCPU
MELSEC iQ-L 08 HCPU
MELSEC iQ-L 16 HCPU
MELSEC iQ-L 32 HCPU
MELIPC Series MI5122-VW

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 shutdown or release. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdf
• https://jvn.jp/vu/JVNVU96883262