CVE-2023-2787

2023-06-1609:15:09

CWE-862

[email protected]

web.nvd.nist.gov

cve-2023-2787

mattermost

channel membership

unauthorized access

message threads api

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.9%

JSON

Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.

Affected configurations

NVD

Node

mattermostmattermostRange7.1.0–7.1.9

mattermostmattermostRange7.8.0–7.8.4

mattermostmattermostRange7.9.0–7.9.3

mattermostmattermostMatch7.10.0

CPENameOperatorVersion
mattermost:mattermostmattermostle7.1.9
mattermost:mattermostmattermostle7.8.4
mattermost:mattermostmattermostle7.9.3
mattermost:mattermostmattermosteq7.10.0

CPE	Name	Operator	Version
mattermost:mattermost	mattermost	le	7.1.9
mattermost:mattermost	mattermost	le	7.8.4
mattermost:mattermost	mattermost	le	7.9.3
mattermost:mattermost	mattermost	eq	7.10.0

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "7.9.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.8.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.1.9",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "7.10.0"
      },
      {
        "status": "unaffected",
        "version": "7.9.3"
      },
      {
        "status": "unaffected",
        "version": "7.8.4"
      },
      {
        "status": "unaffected",
        "version": "7.1.9"
      },
      {
        "status": "unaffected",
        "version": "7.10.1"
      }
    ]
  }
]