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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-40267 Detail

Current Description

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, 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 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 17X**** or later, and versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-xMy/z (x=32,64,96, y=T, z=D,DSS)) with serial number 179**** and prior, and versions 1.074 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/z (x=24,40,60, y=T,R, z=ES,ESS) versions 1.042 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-xMy/ES-A (x=24,40,60, y=T,R) versions 1.043 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-xMy/z (x=30,40,60,80, y=T,R, z=ES,ESS) versions 1.003 and prior, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS versions 1.280 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU versions 33 and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU versions 66 and prior allows a remote unauthenticated attacker to access the Web server function by guessing the random numbers used for authentication from several used random numbers.


View Analysis Description

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://jvn.jp/vu/JVNVU99673580/index.html Mitigation  Third Party Advisory 
https://jvn.jp/vu/JVNVU99673580/index.html Mitigation  Third Party Advisory 
https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02 Mitigation  Third Party Advisory  US Government Resource 
https://www.cisa.gov/uscert/ics/advisories/icsa-23-017-02 Mitigation  Third Party Advisory  US Government Resource 
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf Mitigation  Vendor Advisory 
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-019_en.pdf Mitigation  Vendor Advisory 
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1646

Weakness Enumeration

CWE-ID CWE Name Source
CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) cwe source acceptance level NIST  
CWE-337 Predictable Seed in Pseudo-Random Number Generator (PRNG) Mitsubishi Electric Corporation  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-40267
NVD Published Date:
01/20/2023
NVD Last Modified:
11/21/2024
Source:
Mitsubishi Electric Corporation