SB2020101205 - Denial of service in Mitsubishi Electric MELSEC iQ-R series
Published: October 12, 2020
Security Bulletin ID
SB2020101205
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2020-16850)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can send specially crafted packets, trigger resource exhaustion and perform a denial of service (DoS) attack.
This vulnerability affects the following versions of MELSEC iQ-R series modules:
- R00/01/02CPU, all versions
- R04/08/16/32/120(EN)CPU, all versions
- R08/16/32/120SFCPU, all versions
- R08/16/32/120PCPU, all versions
- R16/32/64MTCPU, all versions
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.