How severe is CVE-2022-39018?

CVE-2022-39018 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2022-39018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39018?

CVE-2022-39018 affects M-files Hubshare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-39018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-39018 published?

CVE-2022-39018 was published on 2022-10-31 and last updated on 2026-06-17.

CVE-2022-39018

CVE-2022-39018 is a high-severity vulnerability in M-files Hubshare with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: M-files Hubshare
Published: 2022-10-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-39018?: CVE-2022-39018 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2022-39018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39018?: CVE-2022-39018 affects M-files Hubshare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-39018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-39018 published?: CVE-2022-39018 was published on 2022-10-31 and last updated on 2026-06-17.

References

https://www.themissinglink.com.au/security-advisories/cve-2022-39018

Affected products (1)

cpe:2.3:a:m-files:hubshare:*:*:*:*:*:*:*:*

More vulnerabilities in M-files Hubshare

CVE-2022-39017 — High (CVSS 8.2): Improper input validation and output encoding in all comments fields, in M-Files Hubshare before 3.3.10.9 allows…
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