Vulnerability Details : CVE-2022-2408

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
Published 2022-07-14 18:15:08
Updated 2023-06-30 18:50:07
Source Mattermost, Inc.
View at NVD,   CVE.org
Vulnerability category: Information leak

Exploit prediction scoring system (EPSS) score for CVE-2022-2408

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-2408

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 NIST
4.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
 NIST
4.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
 Mattermost, Inc.

CWE ids for CVE-2022-2408

  • The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
    Assigned by: responsibledisclosure@mattermost.com (Secondary)
  • The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
    Assigned by: nvd@nist.gov (Primary)
  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-2408

Products affected by CVE-2022-2408

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