vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2024-42411

User creation date manipulation in POST /api/v4/users

MEDIUM
5.3
CVSS Score
Published: August 22, 2024 at 06:32 AM UTC
Updated: June 17, 2026 at 07:49 AM UTC
1 product affected across 1 vendorMattermost

Using Mattermost by Mattermost?

Get instant alerts when new vulnerabilities affect Mattermost - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mattermost· Mattermost
95%
9.10.0 ≤ v < 9.10.19.5.0 ≤ v ≤ 9.5.79.5.0 ≤ v < 9.5.89.8.0 ≤ v ≤ 9.8.29.8.0 ≤ v < 9.8.39.9.0 ≤ v ≤ 9.9.19.9.0 ≤ v < 9.9.29.10.09.5.09.8.09.9.0
Vendor states this is fixed in 9.10.1 (unaffected)
Vendor states this is fixed in 9.11.0 (unaffected)
Vendor states this is fixed in 9.5.8 (unaffected)
Vendor states this is fixed in 9.8.3 (unaffected)
Vendor states this is fixed in 9.9.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://mattermost.com/security-updates

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMMattermost
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-754

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card