What is CVE-2022-39018?

CVE-2022-39018 is a high-severity vulnerability in M-Files Hubshare, classified under Information Disclosure. CVSS score: 8.2/10. Published 2022-10-31.

How severe is CVE-2022-39018?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in M-Files Hubshare

CVE-2022-39018

Broken access controls on PDFtron data in M-Files Hubshare before 3.3.11.3 allows unauthenticated attackers to access restricted PDF files via a known URL.

Vulnerability class: Information Disclosure

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

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (32.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% 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-2022-39018 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-39018?: CVE-2022-39018 is a high-severity vulnerability in M-Files Hubshare, classified under Information Disclosure. CVSS score: 8.2/10. Published 2022-10-31.
How severe is CVE-2022-39018?: High severity. CVSS v3 base score is 8.2 out of 10.