CVE-2024-4195

2024-04-2609:15:12

CWE-284

[email protected]

web.nvd.nist.gov

mattermost

version 9.6.0

version 9.5.x

version 8.1.x

role changes

attacker

team admin

guest

http requests

2.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

8.8%

JSON

Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.6.0"
      },
      {
        "lessThanOrEqual": "9.5.2",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.11",
        "status": "affected",
        "version": "8.1.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.7.0"
      },
      {
        "status": "unaffected",
        "version": "9.6.1"
      },
      {
        "status": "unaffected",
        "version": "9.5.3"
      },
      {
        "status": "unaffected",
        "version": "8.1.12"
      }
    ]
  }
]