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 3.5 LOW
CVSS v2.0 3.5 LOW

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

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
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

21 Nov 2024, 06:15

Type	Values Removed	Values Added
References	~~() https://hackerone.com/reports/1253732 - Permissions Required~~	() https://hackerone.com/reports/1253732 - Permissions Required
References	~~() https://mattermost.com/security-updates/ - Vendor Advisory~~	() https://mattermost.com/security-updates/ - Vendor Advisory
CVSS	v2 : ~~3.5~~ v3 : ~~5.7~~	v2 : 3.5 v3 : 3.5

Information

Published : 2021-12-17 17:15

Updated : 2024-11-21 06:15

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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