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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://mattermost.com/security-updates/	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc1::::::
	cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc2::::::
	cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc3::::::
	cpe:2.3:a:mattermost:mattermost_server:4.7.0:rc4::::::

Information

Published : 2020-06-19 10:15

Updated : 2020-06-25 12:51

NVD link : CVE-2018-21263

Mitre link : CVE-2018-21263

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

mattermost

mattermost_server

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