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CVE-2017-16637

4.4 · MEDIUM

In Vectura Perfect Privacy VPN Manager v1.10.10 and v1.10.11, when resetting the network data via the software client, with a running VPN connection, a critical error occurs which leads to a "FrmAd…

Published Nov 6, 2017CWE-20EPSS 0.26%

Overview

CVE-2017-16637 is a medium-severity vulnerability. It was published on November 6, 2017 and has a CVSS 3.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In Vectura Perfect Privacy VPN Manager v1.10.10 and v1.10.11, when resetting the network data via the software client, with a running VPN connection, a critical error occurs which leads to a "FrmAdvancedProtection" crash. Although the mechanism malfunctions and an error occurs during the runtime with the stack trace being issued, the software process is not properly terminated. The software client is still attempting to maintain the connection even though the network connection information is being reset live. In that insecure mode, the "FrmAdvancedProtection" component crashes, but the process continues to run with different errors and process corruptions. This local corruption vulnerability can be exploited by local attackers.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refboard.perfect-privacy.com/threads/reporting-a-security-bug-in-vpn-software-client-for-windows.2223/Refwww.vulnerability-lab.com/get_content.php?id=2102Refboard.perfect-privacy.com/threads/reporting-a-security-bug-in-vpn-software-client-for-windows.2223/Refwww.vulnerability-lab.com/get_content.php?id=2102

How CyberStrike helps

Frequently asked questions

What is CVE-2017-16637?

CVE-2017-16637 is a medium-severity vulnerability. It was published on November 6, 2017 and has a CVSS 3.0 base score of 4.4 (MEDIUM).

How severe is CVE-2017-16637?

This vulnerability has a CVSS 3.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-16637?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-16637?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-16637 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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