SB2021101503 - Authorization bypass through user-controlled key in Mitsubishi Electric MELSEC iQ-R Series



SB2021101503 - Authorization bypass through user-controlled key in Mitsubishi Electric MELSEC iQ-R Series

Published: October 15, 2021

Security Bulletin ID SB2021101503
Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: CVE-2021-20599)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exist due to insufficient access authorization. A remote attacker can log in to the CPU module by obtaining credentials other than password.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.