CVE-2024-4198

2024-04-2608:26:11

CWE-284

Mattermost

www.cve.org

mattermost

role validation

bypass

http requests

security vulnerability

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

3.9 Low

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

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 team admin to demote users to guest 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"
      }
    ]
  }
]