SB2020061030 - Denial of service in Mitsubishi Electric MELSEC iQ-R series
Published: June 10, 2020
Security Bulletin ID
SB2020061030
Severity
Medium
Patch available
YES
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-2020-13238)
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 MELSEC iQ-R series modules:
- R04/08/16/32/120CPU, R04/08/16/32/120ENCPU: Firmware Versions 39 or earlier
- R00/01/02CPU: Firmware Versions 7 or earlier
- R08/16/32/120SFCPU: Firmware Versions 20 or earlier
- R08/16/32/120PCPU: All versions
- R08/16/32/120PSFCPU: All versions
- RJ71EN71: All versions
Remediation
Install update from vendor's website.