What is CVE-2022-1337?

CVE-2022-1337 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2022-04-13.

How severe is CVE-2022-1337?

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

Resource exhaustion in Mattermost

CVE-2022-1337

The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.009 (55.5th 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 6.4, 6.3, 6.2
Mattermost Mattermost_server

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-2022-1337?: CVE-2022-1337 is a medium-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2022-04-13.
How severe is CVE-2022-1337?: Medium severity. CVSS v3 base score is 4.3 out of 10.