What is CVE-2022-2406?

CVE-2022-2406 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2022-07-14.

How severe is CVE-2022-2406?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Resource exhaustion in Mattermost

CVE-2022-2406

The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Mattermost — versions unspecified, 6.4.x, 6.5.x

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption
CWE-770 — Allocation of Resources Without Limits or Throttling

References

responsibledisclosure@mattermost.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-2406?: CVE-2022-2406 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2022-07-14.
How severe is CVE-2022-2406?: Medium severity. CVSS v3 base score is 4.3 out of 10.