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Fencer Vulns
medium 6.3

CVE-2022-39019 json

Broken access controls on PDFtron WebviewerUI in M-Files Hubshare

published 2022-10-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41565

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • m-files hubshare 3.3.11.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • M-Files Hubshare

Classification

Weakness
  • CWE-287 Improper Authentication
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.