CVE-2021-32977 : Vulnerability Insights and Analysis

AVEVA System Platform versions 2017 through 2020 R2 P01 are affected by an improper verification of cryptographic signature vulnerability, posing a high risk due to its impact on data confidentiality, integrity, and availability.

Understanding CVE-2021-32977

This CVE highlights the failure of AVEVA System Platform to properly verify the cryptographic signature for data, opening up potential risks to organizations using the affected versions.

What is CVE-2021-32977?

CVE-2021-32977 refers to the improper verification of cryptographic signature vulnerability in AVEVA System Platform versions 2017 through 2020 R2 P01. It allows attackers to manipulate data due to the lack of correct cryptographic signature verification.

The Impact of CVE-2021-32977

This vulnerability has a high severity rating with a CVSS base score of 7.2. It poses significant risks to confidentiality, integrity, and availability as attackers can exploit the flaw to compromise sensitive data and disrupt operations.

Technical Details of CVE-2021-32977

The vulnerability stems from AVEVA System Platform's failure to verify or incorrectly verify the cryptographic signature for data, leaving systems exposed to potential exploitation.

Vulnerability Description

AVEVA System Platform versions 2017 through 2020 R2 P01 lack the necessary checks to ensure the authenticity of data through proper cryptographic signature verification, leading to a critical security weakness.

Affected Systems and Versions

Organizations using AVEVA System Platform versions 2017 through 2020 R2 P01 are vulnerable to exploitation, highlighting the importance of immediate remediation efforts to secure the environment.

Exploitation Mechanism

Attackers can leverage this vulnerability to manipulate data, compromise system integrity, and disrupt critical processes, emphasizing the need for proactive security measures to prevent exploitation.

Mitigation and Prevention

It is crucial for organizations to take immediate action to address the CVE-2021-32977 vulnerability and safeguard their systems from potential attacks.

Immediate Steps to Take

AVEVA recommends evaluating the impact of the vulnerabilities based on the operational environment and architecture. Organizations should disable the AutoBuild service if not in use or apply the necessary security updates as advised in AVEVA’s security bulletin.

Long-Term Security Practices

Implementing robust security measures, regular vulnerability assessments, and security updates are essential to fortify systems against similar threats in the future.

Patching and Updates

Organizations are advised to upgrade to the recommended System Platform versions and apply the corresponding security updates promptly. AVEVA provides detailed instructions in their security bulletin for a seamless patching process and enhanced protection.