CVE-2021-33841 Explained : Impact and Mitigation
Learn about CVE-2021-33841 affecting Circutor SGE-PLC1000 firmware 0.9.2b. Discover the impact, technical details, and mitigation steps for this critical OS command injection flaw.
Circutor SGE-PLC1000 device, running firmware version 0.9.2b, is susceptible to an OS command injection vulnerability. This flaw allows a remote attacker to execute arbitrary code with elevated privileges. Learn more about the impact, technical details, and mitigation strategies below.
Understanding CVE-2021-33841
This section provides insights into the nature of the vulnerability identified in the Circutor SGE-PLC1000 device.
What is CVE-2021-33841?
The CVE-2021-33841 vulnerability pertains to the SGE-PLC1000 device firmware version 0.9.2b, enabling remote threat actors to inject malicious code into the system.
The Impact of CVE-2021-33841
The vulnerability poses a critical threat by allowing attackers to execute unauthorized commands with elevated system privileges, compromising confidentiality and integrity.
Technical Details of CVE-2021-33841
Delve deeper into the technical aspects surrounding CVE-2021-33841 to understand its implications.
Vulnerability Description
The issue arises from the device's failure to properly handle specific requests, opening the door for code injection attacks with extensive user permissions.
Affected Systems and Versions
The vulnerability affects Circutor SGE-PLC1000 devices utilizing firmware version 0.9.2b. Ensure all instances of this version are promptly addressed.
Exploitation Mechanism
Exploiting this vulnerability requires no user interaction, leveraging a network-based attack vector to achieve high availability impact.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2021-33841 and secure affected systems.
Immediate Steps to Take
To address the vulnerability, promptly install the firmware upgrade provided by Circutor. This preventative measure is crucial to safeguarding devices against potential exploits.
Long-Term Security Practices
Institute robust security practices, such as network segmentation and access controls, to fortify the resilience of industrial control systems against similar threats.
Patching and Updates
Regularly monitor for security updates and patches from the vendor to ensure your systems remain protected against evolving threats.