How severe is CVE-2023-50333?

CVE-2023-50333 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-50333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50333?

CVE-2023-50333 affects Mattermost Mattermost Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50333?

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

Does CVE-2023-50333 have an EU (EUVD) identifier?

Yes. CVE-2023-50333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0319.

When was CVE-2023-50333 published?

CVE-2023-50333 was published on 2024-01-02 and last updated on 2026-06-17.

CVE-2023-50333

CVE-2023-50333 is a low-severity vulnerability in Mattermost Mattermost Server with a CVSS 3.x base score of 3.7. 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-284.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0319
Weakness: CWE-284
Affected product: Mattermost Mattermost Server
Published: 2024-01-02
Last modified: 2026-06-17

Description

Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.

Frequently asked questions

What is CVE-2023-50333?: Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
How severe is CVE-2023-50333?: CVE-2023-50333 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-50333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50333?: CVE-2023-50333 affects Mattermost Mattermost Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-50333 have an EU (EUVD) identifier?: Yes. CVE-2023-50333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0319.
When was CVE-2023-50333 published?: CVE-2023-50333 was published on 2024-01-02 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates

Affected products (1)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

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