CVE-2020-15529

Name: CVE-2020-15529
Creator: NVD / NIST
Published: 2020-07-05T01:15:10.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2020-15529 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user installs a game or performs a verify/repair operation. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

Description

An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user installs a game or performs a verify/repair operation. The issue exists because of weak file permissions and can be exploited by using opportunistic locks.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.02%

58.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gog	Galaxy	2.0.17

References

http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.htmlThird Party Advisory
http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.htmlThird Party Advisory

Timeline

Published: Jul 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15529?

How severe is CVE-2020-15529?

CVE-2020-15529 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15529?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15529?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST