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CVE-2020-27384

7.8 · HIGH

The Gw2-64.exe in Guild Wars 2 launcher version 106916 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with…

Published Jun 9, 2021CWE-276EPSS 0.32%

Overview

CVE-2020-27384 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The Gw2-64.exe in Guild Wars 2 launcher version 106916 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to the improper permissions, with the 'F' flag (Full Control) for 'Everyone' group, making the entire directory 'Guild Wars 2' and its files and sub-dirs world-writable.

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

GitHubgithub.com/FreySolarEye/CVE/blob/master/Guild%20Wars%202%20-%20Local%20Privilege%20EscalationGitHubgithub.com/FreySolarEye/CVE/blob/master/Guild%20Wars%202%20-%20Local%20Privilege%20Escalation

How CyberStrike helps

Frequently asked questions

What is CVE-2020-27384?

CVE-2020-27384 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-27384?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-27384?

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-2020-27384?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-27384 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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