CVE-2023-2281

2023-04-2514:15:09

CWE-200

[email protected]

web.nvd.nist.gov

mattermost

websocket

data exposure

cve-2023-2281

security vulnerability

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.6%

JSON

When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<7.9.0

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt7.9.0

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	7.9.0

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThan": "7.9",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "7.9"
      }
    ]
  }
]