CVE-2024-52032

Private channel names leaking when Elasticsearch is enabled

Published Nov 9, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.

Remediation

Vendor Solution

Update Mattermost to versions 10.1.0, 10.0.1, 9.11.3 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-45830 Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.
References
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00072}

epss

{'score': 0.00078}

Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:-:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc4:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.
Title Private channel names leaking when Elasticsearch is enabled
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Nov 12, 2024, 2:52 PM
Reserved
Nov 5, 2024, 9:14 AM
Status
Analyzed
Published
Nov 9, 2024, 6:15 PM
Modified
Jun 17, 2026, 8:06 AM