CVE-2024-1888
Assigner: Mattermost
Published: 2024-02-29T08:08:08.272Z
State: PUBLISHED
affected: defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions: lessThanOrEqual: 9.4.1
status: affected
version: 0
versionType: semver
lessThanOrEqual: 9.3.0
status: affected
version: 0
versionType: semver
lessThanOrEqual: 9.2.4
status: affected
version: 0
versionType: semver
lessThanOrEqual: 8.1.8
status: affected
version: 0
versionType: semver
status: unaffected
version: 9.5.0
status: unaffected
version: 9.4.2
status: unaffected
version: 9.3.1
status: unaffected
version: 9.2.5
status: unaffected
version: 8.1.9
credits: type: finder
user: 00000000-0000-4000-9000-000000000000
value: Eva Sarafianou
descriptions: supportingMedia: base64: no
type: text/html
value: <p>Mattermost fails to check the&nbsp;"invite_guest" permission when inviting&nbsp;guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server</p>
value: Mattermost fails to check the "invite_guest" permission when inviting guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server


metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-284
description: CWE-284: Improper Access Control
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: <p>Update Mattermost Server to versions 9.5.0, 9.4.2, 9.3.1, 9.2.5, 8.1.9 or higher.</p>
value: Update Mattermost Server to versions 9.5.0, 9.4.2, 9.3.1, 9.2.5, 8.1.9 or higher.


source: advisory: MMSA-2023-00285
defect: https://mattermost.atlassian.net/browse/MM-55607
discovery: INTERNAL
title: Existing server guests invited to the team by members without "invite_guest" permission
x_generator: engine: Vulnogram 0.1.0-dev