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Fencer Vulns
critical 9.8

CVE-2020-27172 json

An issue was discovered in G-Data before 25.5.9.25 using Symbolic links, it is possible to abuse the infected-file restore mechanism to ach…

published 2020-12-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19696

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

An issue was discovered in G-Data before 25.5.9.25 using Symbolic links, it is possible to abuse the infected-file restore mechanism to achieve arbitrary write that leads to elevation of privileges.

Patch / fix

  • gdatasoftware g_data 25.5.9.25

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

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.