Vulnerability in 3cx Call Flow Designer

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-27438: held from 0.020 to 0.021.

EPSS over last 30 days · oldest: 0.020 · newest: 0.021 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-27438?
CVE-2022-27438 is a high-severity vulnerability in 3cx Call Flow Designer, classified under Download of Code Without Integrity Check. CVSS score: 8.1/10. Published 2022-06-06.
How severe is CVE-2022-27438?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2022-27438 known to be exploited?
13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.