What is CVE-2022-39019?

CVE-2022-39019 is a medium-severity vulnerability in M-Files Hubshare, classified under Improper Authentication. CVSS score: 6.3/10. Published 2022-10-31.

How severe is CVE-2022-39019?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in M-Files Hubshare

CVE-2022-39019

Broken access controls on PDFtron WebviewerUI in M-Files Hubshare before 3.3.11.3 allows unauthenticated attackers to upload malicious files to the application server.

Vulnerability class: Broken Authentication

Published 2022-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (30.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

M-Files Hubshare — versions 3.3.1.6

Weakness classification (CWE)

References

www.themissinglink.com.au/security-advisories/cve-2022-39019 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-39019?: CVE-2022-39019 is a medium-severity vulnerability in M-Files Hubshare, classified under Improper Authentication. CVSS score: 6.3/10. Published 2022-10-31.
How severe is CVE-2022-39019?: Medium severity. CVSS v3 base score is 6.3 out of 10.