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Fencer Intel
medium 6.8

CVE-2025-56232 json

GOG Galaxy 2.0.0.2 suffers from Missing SSL Certificate Validation.

published last yr. modified 4d 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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 Intel 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.