CVE-2022-3147

low-risk
Published 2022-09-09

Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.

Do I need to act?

~
1.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.1/10 Low
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Mattermost

References (4)

Permissions Required https://hackerone.com/reports/1549513
Vendor Advisory https://mattermost.com/security-updates/
Permissions Required https://hackerone.com/reports/1549513
Vendor Advisory https://mattermost.com/security-updates/
20
/ 100
low-risk
Severity 11/34 · Low
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal