Skip to content
Fencer Vulns
medium 6.5

CVE-2021-42809 json

The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library

published 2021-12-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29765

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.

Patch / fix

  • thalesgroup sentinel_protection_installer 7.7.1

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Thales Sentinel Protection Installer

Classification

Weakness
  • CWE-913 Improper Control of Dynamically-Managed Code Resources

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.