9.3

CVE-2020-15529: gog galaxy Improper Locking

CVSS: 9.3v2.0HighModified
Published 05-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15529 is a high (CVSS 9.3) Improper Locking vulnerability in gog galaxy. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.02%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.02% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Gog1 product

1 vendor · 1 product

References

1 links