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Fencer Vulns
medium 6.8

CVE-2025-56232 json

GOG Galaxy 2.0.0.2 suffers from Missing SSL Certificate Validation.

published 2025-11-05 12 mo ago modified 2026-11-05 3 d ago also EUVD-2025-37923

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits
0
none known

Summary

GOG Galaxy 2.0.0.2 suffers from Missing SSL Certificate Validation. An attacker who controls the local network, DNS, or a proxy can perform a man-in-the-middle (MitM) attack to intercept update requests and replace installer or update packages with malicious files.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • youtu.be https://youtu.be/WchHCmqGaFQ referenced PoC, tagged "exploit" by a source, unverified
  • notion.so https://www.notion.so/CVE-2025-56232-2a04e9f2a40d80dab203e39b5c9462f6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CNA 3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Classification

Weakness
  • CWE-599 Missing Validation of OpenSSL Certificate

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.