CVE-2021-42797 : Vulnerability Insights and Analysis

CVE-2021-42797 pertains to a path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and earlier. This vulnerability allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources.

Understanding CVE-2021-42797

This section provides insights into the nature and impact of the CVE-2021-42797 vulnerability.

What is CVE-2021-42797?

The CVE-2021-42797 vulnerability involves a path traversal issue in AVEVA Edge software, potentially leading to unauthorized access to critical resources.

The Impact of CVE-2021-42797

The vulnerability can be exploited by attackers to compromise system integrity and confidentiality, posing a significant security risk to affected systems.

Technical Details of CVE-2021-42797

Explore the technical aspects of the CVE-2021-42797 vulnerability.

Vulnerability Description

The path traversal flaw in AVEVA Edge permits unauthorized users to pilfer the Windows access token of the user account designated for external DB access.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: AVEVA Edge (formerly InduSoft Web Studio) R2020 and prior

Exploitation Mechanism

The vulnerability enables unauthenticated individuals to conduct a path traversal attack, leading to the extraction of vital user access tokens.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the CVE-2021-42797 vulnerability.

Immediate Steps to Take

Implement access controls to restrict network exposure
Monitor for unauthorized access attempts
Apply the principle of least privilege

Long-Term Security Practices

Conduct regular security assessments and scans
Educate users on secure practices and awareness

Patching and Updates

Update AVEVA Edge (formerly InduSoft Web Studio) to the latest patched version