How severe is CVE-2023-6239?

CVE-2023-6239 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6239?

CVE-2023-6239 primarily affects M-files M-files Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6239?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-6239 published?

CVE-2023-6239 was published on 2023-11-28 and last updated on 2026-06-17.

CVE-2023-6239

CVE-2023-6239 is a medium-severity vulnerability in M-files M-files Server with a CVSS 3.x base score of 5.4. 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-281.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: M-files M-files Server
Published: 2023-11-28
Last modified: 2026-06-17

Description

Under rare conditions, the effective permissions of an object might be incorrectly calculated if the object has a specific configuration of metadata-driven permissions in M-Files Server versions 23.9, 23.10, and 23.11 before 23.11.13168.7, potentially enabling unauthorized access to the object.

Frequently asked questions

What is CVE-2023-6239?: Under rare conditions, the effective permissions of an object might be incorrectly calculated if the object has a specific configuration of metadata-driven permissions in M-Files Server versions 23.9, 23.10, and 23.11 before 23.11.13168.7, potentially enabling unauthorized access to the object.
How severe is CVE-2023-6239?: CVE-2023-6239 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6239?: CVE-2023-6239 primarily affects M-files M-files Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6239 published?: CVE-2023-6239 was published on 2023-11-28 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:m-files:m-files_server:*:*:*:*:*:*:*:*
cpe:2.3:a:m-files:m-files_server:23.9:*:*:*:*:*:*:*
cpe:2.3:a:m-files:m-files_server:23.10:*:*:*:*:*:*:*

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