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Public proof of conceptFix available

CVE-2022-27438

A public proof of concept exists; no exploitation attested.

  • Published2022-06-06
  • WeaknessCWE-494

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2022-06-0623:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-27438?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-27438?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
3cx call flow designer
BranchAffectedFixed in
18.2= 18.2.13no fix published
3cx crm template generator
BranchAffectedFixed in
2.1= 2.1.23no fix published
Boom boomtv streamer portal
BranchAffectedFixed in
2.2= 2.2.1no fix published

67 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedgar-re/cve-2022-27438
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-06-06
Last Modified
2026-07-09
NVD status
Modified
GitHub Advisory
GHSA-5xhh-3gjf-pf84

Frequently asked questions

What is CVE-2022-27438?

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.

Is CVE-2022-27438 actively exploited?

Active exploitation of CVE-2022-27438 has not been confirmed. Its EPSS score was 2.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-27438?

CVE-2022-27438 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record