CVE-2023-5160

Full name disclosure via team top membership with Show Full Name option disabled

View on CVE.org

Published Oct 2, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mattermost

Mattermost

unaffected

Version	Status	Constraints
`0`	affected	≤ 7.8.9
`0`	affected	≤ 8.1.0
`7.8.10`	unaffected	—
`8.1.1`	unaffected	—

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost Server to versions 7.8.10, 8.1.1 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-57497	Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.435% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://mattermost.com/security-updates

History

No history.

Subscriptions

Mattermost Mattermost

Weaknesses

Sources

CVE record Updated: Sep 5, 2024, 7:51 PM

Status: PUBLISHED
Assigner: Mattermost
Published: Oct 2, 2023, 10:46 AM
Updated: Sep 5, 2024, 7:51 PM
Reserved: Sep 25, 2023, 11:43 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:52 AM

Updated: Aug 2, 2024, 7:52 AM

NVD Updated: Jun 17, 2026, 6:47 AM

Status: Modified
Published: Oct 2, 2023, 11:15 AM
Modified: Jun 17, 2026, 6:47 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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