Vulnerability in Mitsubishi Electric Corporation Melsec Iq-f Seres Fx5u-80mt/es
CVE-2022-40267
Predictable Seed in Pseudo-Random Number Generator (PRNG) vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-xMy/z (x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later, and versions 1.280 and prior…
EPSS: 0.022 (84.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Mitsubishi Electric Corporation Melsec Iq-f Seres Fx5u-80mt/es — versions serial number 17X**** or later, and versions 1.280 and prior, serial number 179**** and prior, and versions 1.074 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-30mr/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-30mt/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-30mt/ess — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-40mr/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-40mt/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-40mt/ess — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-60mr/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-60mt/es — versions 1.003 and prior
- Mitsubishi Electric Corporation Melsec Iq-f Series Fx5s-60mt/ess — versions 1.003 and prior
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2022-40267?
- CVE-2022-40267 is a medium-severity vulnerability in Mitsubishi Electric Corporation Melsec Iq-f Seres Fx5u-80mt/es, classified under CWE-337. CVSS score: 5.9/10. Published 2023-01-20.
- How severe is CVE-2022-40267?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2022-40267 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.