CVE-2018-21263

CVSS V2 Medium 6.5 CVSS V3 High 8.8
Description
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.
Overview
  • CVE ID
  • CVE-2018-21263
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-19T17:15:13
  • Last Modified Date
  • 2020-06-25T19:51:11
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* 1 OR 4.5.2
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* 1 OR 4.6.0 4.6.2
cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc4:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://mattermost.com/security-updates/ Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 16:41:59 Added to TrackCVE
2022-12-04 18:23:33 2020-06-19T17:15Z 2020-06-19T17:15:13 CVE Published Date updated
2022-12-04 18:23:33 2020-06-25T19:51:11 CVE Modified Date updated
2022-12-04 18:23:33 Analyzed Vulnerability Status updated