TI-2020-12225 Aliases CVE-2020-15528 GHSA-vq45-c34f-vc3p

An issue was discovered in GOG Galaxy Client 2.0.17.

LOW 37CWE-732Published 2020-07-05 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user starts or uninstalls a game because of weak file permissions and missing file integrity checks.

Why it matters now

EPSS 0.0134 71st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gog:galaxy:2.0.17:::::windows::	2.0.17	Vulnerable	GOG.COM

cpe:2.3:a:gog:galaxy:2.0.17:*:*:*:*:windows:*:* Versions 2.0.17 Vulnerable ·GOG.COM

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-15528
2026-10-03 Alias added: GHSA-vq45-c34f-vc3p

References

Advisory 1

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

TI-2020-05946 GOG Galaxy GalaxyClientService Privilege Escalation CVSS 3.1HIGH 8.8
TI-2020-12226 An issue was discovered in GOG Galaxy Client 2.0.17. CVSS 3.1HIGH 7.8
TI-2022-13295 An exploitable local privilege escalation vulnerability exists in GOG Galaxy 2.0.46. CVSS 3.1HIGH 7.8
TI-2021-08442 GalaxyClient version 2.0.28.9 loads unsigned DLLs such as zlib1.dll, libgcc_s_dw2-1.dll… CVSS 3.1HIGH 7.8
TI-2020-15055 The client (aka GalaxyClientService.exe) in GOG GALAXY through 2.0.41 (as of 12:58 AM… CVSS 3.1HIGH 7.8
TI-2019-11612 An exploitable local privilege escalation vulnerability exists in the GalaxyClientService… CVSS 3.1HIGH 7.8

See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences