CVE-2023-50333

2024-01-0210:15:08

CWE-284

[email protected]

web.nvd.nist.gov

mattermost

update

permission

demoted users

cve-2023-50333

security vulnerability

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

4.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

JSON

Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<8.1.7

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt8.1.7

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

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "9.2.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.6",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "8.1.7"
      }
    ]
  }
]