CVE-2021-22277 : Vulnerability Insights and Analysis
Learn about CVE-2021-22277, a Denial of Service vulnerability in ABB products. Understand its impact, affected systems, exploitation mechanism, and mitigation steps.
A detailed overview of the Denial of Service vulnerability in ABB products including 800xA, Control Builder Safe, Compact Product Suite - Control and I/O, and ABB Base Software for SoftControl.
Understanding CVE-2021-22277
This CVE involves an Improper Input Validation vulnerability in ABB products that could allow attackers to cause a denial of service.
What is CVE-2021-22277?
CVE-2021-22277 is a Denial of Service vulnerability in ABB products 800xA, Control Builder Safe, Compact Product Suite - Control and I/O, and ABB Base Software for SoftControl due to improper input validation.
The Impact of CVE-2021-22277
The vulnerability has a CVSS base score of 7.5 (High), with a network-based attack vector and high availability impact. It does not require user interaction or privileges, making it exploitable with low complexity.
Technical Details of CVE-2021-22277
This section provides an in-depth look at the vulnerability.
Vulnerability Description
The vulnerability stems from improper input validation in ABB products, allowing threat actors to trigger a denial of service attack.
Affected Systems and Versions
Products affected include 800xA, Control Builder Safe, Compact Product Suite - Control and I/O, and ABB Base Software for SoftControl across various versions.
Exploitation Mechanism
The vulnerability can be exploited over a network without requiring user interaction or special privileges, making it a potential target for attackers.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-22277.
Immediate Steps to Take
It is recommended to apply patches or updates provided by ABB to remediate the vulnerability. Additionally, network segmentation and access controls can help reduce the attack surface.
Long-Term Security Practices
Implementing secure coding practices, regular security assessments, and staying informed about security best practices can enhance overall security posture.
Patching and Updates
Regularly monitor ABB's security advisories and promptly apply patches or updates to address known vulnerabilities.