Vulnerability Monitor

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CVE-2018-21263

An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response.

Published

2020-06-19T17:15:13.067

Last Modified

2024-11-21T04:03:19.173

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mattermost mattermost_server < 4.5.2 Yes
Application mattermost mattermost_server < 4.6.2 Yes
Application mattermost mattermost_server 4.7.0 Yes
Application mattermost mattermost_server 4.7.0 Yes
Application mattermost mattermost_server 4.7.0 Yes
Application mattermost mattermost_server 4.7.0 Yes
References