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CVE-2019-15511

7.8 · HIGH

An exploitable local privilege escalation vulnerability exists in the GalaxyClientService installed by GOG Galaxy.

Published Nov 21, 2019CWE-306EPSS 0.75%

Overview

CVE-2019-15511 is a high-severity vulnerability. It was published on November 21, 2019 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

An exploitable local privilege escalation vulnerability exists in the GalaxyClientService installed by GOG Galaxy. Due to Improper Access Control, an attacker can send unauthenticated local TCP packets to the service to gain SYSTEM privileges in Windows system where GOG Galaxy software is installed. All GOG Galaxy versions before 1.2.60 and all corresponding versions of GOG Galaxy 2.0 Beta are affected.

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

Refcqureacademy.com/cqure-labs/cqlabs-cve-2019-15511-broken-access-control-in-gog-galaxyRefsupport.gog.com/hc/en-us/articles/360025458833-GOG-GALAXY-2-0-updates-and-known-issuesRefcqureacademy.com/cqure-labs/cqlabs-cve-2019-15511-broken-access-control-in-gog-galaxyRefsupport.gog.com/hc/en-us/articles/360025458833-GOG-GALAXY-2-0-updates-and-known-issues

How CyberStrike helps

Frequently asked questions

What is CVE-2019-15511?

CVE-2019-15511 is a high-severity vulnerability. It was published on November 21, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2019-15511?

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-2019-15511?

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-2019-15511?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-15511 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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