CVE-2023-2193 Oauth authorization codes do not expire when deauthorizing an oauth2 app

2023-04-2008:17:04

CWE-862

Mattermost

www.cve.org

mattermost

oauth2

authorization code

expiration

deauthorization

access token

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.5%

JSON

Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "7.1.7",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.7.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.8.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.9.1",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "7.10"
      },
      {
        "status": "unaffected",
        "version": "7.9.3"
      },
      {
        "status": "unaffected",
        "version": "7.8.4"
      },
      {
        "status": "unaffected",
        "version": "7.7.5"
      },
      {
        "status": "unaffected",
        "version": "7.1.9"
      }
    ]
  }
]