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CVE-2022-27438

HighPublished

Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer (Advanced Updater) are affected by a remote...

Published: Jun 6, 2022
Updated: Jul 9, 2026
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

8.1/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

2.0%

Low · next 30 days

Percentile: 79.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer (Advanced Updater) are affected by a remote code execution vulnerability via the CustomDetection parameter in the update check function. To exploit this vulnerability, a user must start an affected installation to trigger the update check.

Sources

cve-2022-27438PoC
Proof-of-concept exploit for CVE-2022-27438, demonstrating remote code execution via spoofed update server in Advanced Installer 19.3. Includes DNS spoofing and certificate generation steps.

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