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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-20597 Detail

Current Description

Insufficiently Protected Credentials 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 login to the target unauthorizedly by sniffing network traffic and obtaining credentials when registering user information in the target or changing a password.


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/2021-009_en.pdf Vendor Advisory 
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-009_en.pdf Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-522 Insufficiently Protected Credentials cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-20597
NVD Published Date:
08/06/2021
NVD Last Modified:
11/21/2024
Source:
Mitsubishi Electric Corporation