Resource exhaustion in Mitsubishi Electric products - CVE-2020-5527
Published: April 6, 2020
Vulnerability identifier: #VU26602
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5527
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mitsubishi Electric
Affected software:
MELSEC iQ-R series
MELSEC iQ-F series
MELSEC Q series
MELSEC L series
MELSEC F series
MELSEC iQ-R series
MELSEC iQ-F series
MELSEC Q series
MELSEC L series
MELSEC F series
Detailed vulnerability description
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 send large amounts of data to the MELSOFT transmission port, trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2020-5527
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.