CVE-2022-4044: A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages

Medium severity · published Nov 23, 2022

CVE-2022-4044

A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages

6.5

CVSS

1.1%

EPSS

On KEV

Description

A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.1% · higher than 66% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Mattermost · Mattermost

before 7.4 · source: NVD

Affected product

Mattermost

All Mattermost CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2022-4044

CVE.org

https://www.cve.org/CVERecord?id=CVE-2022-4044

Exploit

https://hackerone.com/reports/1680241

Vendor Advisory

https://mattermost.com/security-updates/