How severe is CVE-2024-8071?

CVE-2024-8071 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-8071 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8071?

CVE-2024-8071 affects Mattermost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-8071?

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

Does CVE-2024-8071 have an EU (EUVD) identifier?

Yes. CVE-2024-8071 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2499.

When was CVE-2024-8071 published?

CVE-2024-8071 was published on 2024-08-22 and last updated on 2026-06-17.

CVE-2024-8071

CVE-2024-8071 is a medium-severity vulnerability in Mattermost with a CVSS 3.x base score of 4.7. 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: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2499
Weakness: CWE-284
Affected product: Mattermost
Published: 2024-08-22
Last modified: 2026-06-17

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.

Frequently asked questions

What is CVE-2024-8071?: Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.
How severe is CVE-2024-8071?: CVE-2024-8071 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-8071 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8071?: CVE-2024-8071 affects Mattermost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-8071?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-8071 have an EU (EUVD) identifier?: Yes. CVE-2024-8071 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2499.
When was CVE-2024-8071 published?: CVE-2024-8071 was published on 2024-08-22 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates

Affected products (1)

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

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