SB2019111106 - Denial of service in Mitsubishi Electric MELSEC-Q Series and MELSEC-L CPU Modules
Published: November 11, 2019
Security Bulletin ID
SB2019111106
CSH 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 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2019-13555)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource management. A remote attacker can trigger resource exhaustion and cause the FTP service to enter a denial-of-service condition dependent on the timing at which a remote attacker connects to the FTP server on the affected CPU modules.
Remediation
Install update from vendor's website.