CVE-2023-3584

Member can create team with team override scheme

LOW
3.1
CVSS Score
Published: July 17, 2023 at 03:23 PM UTC
Updated: June 17, 2026 at 06:14 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
LOW3.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.

Affected

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

7.10.0 ≤ v < 7.10.37.8.0 ≤ v < 7.8.5
Affected range stops below 7.10.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.8.5, so it looks safe — our inference, not a vendor statement
v ≤ 7.10.2v ≤ 7.8.4
Vendor states this is fixed in 7.10.3 (unaffected)
Vendor states this is fixed in 7.8.5 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

3.1LOWMattermost
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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