#VU59224 Improper Handling of Length Parameter Inconsistency in GX Works2 - CVE-2021-20608

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Main Vulnerability Database Vulnerabilities #VU59224

#VU59224 Improper Handling of Length Parameter Inconsistency in GX Works2 - CVE-2021-20608

Published: January 5, 2022


Vulnerability identifier: #VU59224
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20608
CWE-ID: CWE-130
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GX Works2
Software vendor:
Mitsubishi Electric

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handlingof length field that is inconsistent with the actual length of the associated data. A remote attacker can send a specially crafted packet to the PLC and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links