CVE-2022-1337

Name: CVE-2022-1337
Creator: NVD / NIST
Published: 2022-04-13T18:15:09.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2022-1337 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.86%

53.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 5.37.0, < 5.37.9
Mattermost	Mattermost Server	>= 6.2.0, < 6.2.5
Mattermost	Mattermost Server	>= 6.3.0, < 6.3.5
Mattermost	Mattermost Server	>= 6.4.0, < 6.4.2

References

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

Timeline

Published: Apr 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1337?

How severe is CVE-2022-1337?

CVE-2022-1337 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1337?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-1337?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST