CVE-2024-1887 Public channel post content accessible without membership when compliance export is enabled

2024-02-2908:05:29

CWE-284

Mattermost

www.cve.org

mattermost

cve-2024-1887

compliance export

access control

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

4.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "8.1.8",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.2.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.3.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.4.0"
      },
      {
        "status": "unaffected",
        "version": "9.3.1"
      },
      {
        "status": "unaffected",
        "version": "9.2.5"
      },
      {
        "status": "unaffected",
        "version": "8.1.9"
      }
    ]
  }
]