CVE-2023-1774

2023-03-3112:15:06

CWE-862

[email protected]

web.nvd.nist.gov

mattermost

unauthorized invite

private channel

security vulnerability

cve-2023-1774

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.0%

JSON

When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter’s permission to that channel, allowing an attacker to invite themselves to a private channel.

Affected configurations

NVD

Node

mattermostmattermost_serverRange<7.1.6

mattermostmattermost_serverMatch7.7.1

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt7.1.6
mattermost:mattermost_servermattermost mattermost servereq7.7.1

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	7.1.6
mattermost:mattermost_server	mattermost mattermost server	eq	7.7.1

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "7.7.1",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "7.7.2"
      },
      {
        "status": "unaffected",
        "version": "7.8.0"
      },
      {
        "status": "unaffected",
        "version": "7.1.6"
      },
      {
        "lessThanOrEqual": "7.1.5",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "7.8.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]