CVE-2021-37862

Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.

CVSS v3 3.7 LOW
CVSS v2.0 5.8 MEDIUM

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/1357013	Permissions Required
https://mattermost.com/security-updates/	Vendor Advisory
https://hackerone.com/reports/1357013	Permissions Required
https://mattermost.com/security-updates/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:15

Type	Values Removed	Values Added
CVSS	v2 : ~~5.8~~ v3 : ~~5.4~~	v2 : 5.8 v3 : 3.7
References	~~() https://hackerone.com/reports/1357013 - Permissions Required~~	() https://hackerone.com/reports/1357013 - Permissions Required
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory

Information

Published : 2021-12-17 17:15

Updated : 2024-11-21 06:15

NVD link : CVE-2021-37862

Mitre link : CVE-2021-37862

CVE.ORG link : CVE-2021-37862

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

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