CVE-2021-37863

Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.

CVSS v3 5.7 MEDIUM
CVSS v2.0 3.5 LOW

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/1253732	Permissions Required
https://mattermost.com/security-updates/	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-12-17 17:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-37863

Mitre link : CVE-2021-37863

CVE.ORG link : CVE-2021-37863

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-20

Improper Input Validation

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