CVE-2024-24776

2024-02-0915:15:08

CWE-284

[email protected]

web.nvd.nist.gov

mattermost

api vulnerability

permissions

channel member count

information leakage

cve-2024-24776

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

4.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.9%

JSON

Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.

Affected configurations

NVD

Node

mattermostmattermost_serverRange≤8.1.7

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverle8.1.7

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	le	8.1.7

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "8.1.7",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "8.1.8"
      },
      {
        "status": "affected",
        "version": "9.4.0"
      }
    ]
  }
]