CVE-2021-20608 : Security Advisory and Response
Discover the details of CVE-2021-20608, an Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior that enables remote attackers to initiate a DoS condition.
A detailed overview of the Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior that could lead to a Denial of Service (DoS) attack.
Understanding CVE-2021-20608
This section provides insight into the nature and impact of the CVE-2021-20608 vulnerability.
What is CVE-2021-20608?
The vulnerability resides in Mitsubishi Electric GX Works2 versions 1.606G and earlier, allowing a remote unauthenticated attacker to trigger a DoS condition by manipulating program files on a Mitsubishi Electric PLC.
The Impact of CVE-2021-20608
Exploiting this vulnerability could result in a denial of service condition in GX Works2, hindering its normal operation and potentially disrupting critical processes.
Technical Details of CVE-2021-20608
Explore the technical aspects of the CVE-2021-20608 vulnerability to understand its implications better.
Vulnerability Description
The flaw arises from improper handling of length parameter inconsistency in GX Works2, facilitating unauthorized manipulation of program files through crafted packets.
Affected Systems and Versions
Mitsubishi Electric GX Works2 versions 1.606G and prior are specifically impacted by this vulnerability, highlighting the importance of prompt remediation.
Exploitation Mechanism
By sending maliciously crafted packets to tamper with program files on a Mitsubishi Electric PLC, an attacker can exploit this vulnerability to cause a DoS condition in GX Works2.
Mitigation and Prevention
Learn about the necessary steps to mitigate the risks associated with CVE-2021-20608 and safeguard your systems effectively.
Immediate Steps to Take
To address this vulnerability promptly, it is crucial to implement security measures and potentially deploy patches provided by the vendor.
Long-Term Security Practices
Incorporating robust security practices, such as network segmentation and access control, can enhance overall cybersecurity posture and prevent similar exploits.
Patching and Updates
Stay informed about patches and updates released by Mitsubishi Electric to address CVE-2021-20608 effectively and reduce the likelihood of exploitation.