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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-20594 Detail

Current Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.


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/JVNVU98578731/index.html Third Party Advisory 
https://jvn.jp/vu/JVNVU98578731/index.html Third Party Advisory 
https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf Vendor Advisory 
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-20594
NVD Published Date:
08/06/2021
NVD Last Modified:
11/21/2024
Source:
Mitsubishi Electric Corporation