Learn about CVE-2021-38397, a critical vulnerability in Honeywell Experion PKS and ACE Controllers, allowing remote code execution and denial-of-service attacks. Explore impact, technical details, and mitigation strategies.
A critical vulnerability has been identified in Honeywell Experion PKS and ACE Controllers that could allow remote attackers to execute arbitrary code and trigger a denial-of-service condition.
Understanding CVE-2021-38397
This section will cover the impact, technical details, and mitigation strategies related to CVE-2021-38397.
What is CVE-2021-38397?
The vulnerability in Honeywell Experion PKS C200, C200E, C300, and ACE controllers allows for unrestricted file uploads, enabling threat actors to remotely run malicious code and disrupt services.
The Impact of CVE-2021-38397
With a CVSS base score of 10, this critical vulnerability poses a severe threat by providing attackers with the ability to compromise confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-38397
Let's delve into the specifics of the vulnerability, affected systems, and exploitation methods.
Vulnerability Description
The flaw in Honeywell Experion PKS and ACE Controllers permits unauthorized file uploads, creating a pathway for bad actors to carry out remote code execution and initiate DoS attacks.
Affected Systems and Versions
Honeywell's Experion PKS C200, C200E, C300, and ACE controllers are confirmed to be impacted by this security vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by uploading files with dangerous types, ultimately allowing threat actors to compromise the system and execute arbitrary code.
Mitigation and Prevention
Discover the essential steps to secure your systems and prevent potential exploits.
Immediate Steps to Take
Honeywell advises users to adhere to the Experion Network and Security Planning Guide to mitigate risks from potential attacks by malicious entities.
Long-Term Security Practices
Implementing robust security protocols and regular system audits can help fortify your infrastructure against similar threats in the future.
Patching and Updates
Stay informed about security updates and apply patches promptly to bolster your defenses and safeguard against exploits.