How severe is CVE-2024-42411?

CVE-2024-42411 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-42411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42411?

CVE-2024-42411 affects Mattermost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42411?

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

Does CVE-2024-42411 have an EU (EUVD) identifier?

Yes. CVE-2024-42411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39608.

When was CVE-2024-42411 published?

CVE-2024-42411 was published on 2024-08-22 and last updated on 2026-06-17.

CVE-2024-42411

CVE-2024-42411 is a medium-severity vulnerability in Mattermost with a CVSS 3.x base score of 5.3. 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-754.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39608
Weakness: CWE-754
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, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.

Frequently asked questions

What is CVE-2024-42411?: Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
How severe is CVE-2024-42411?: CVE-2024-42411 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-42411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42411?: CVE-2024-42411 affects Mattermost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42411 have an EU (EUVD) identifier?: Yes. CVE-2024-42411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39608.
When was CVE-2024-42411 published?: CVE-2024-42411 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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