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CVE-2022-2406

MEDIUMCVSS 6.5/10EPSS 0.75%

Last modified

CVE-2022-2406 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

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.

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
0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MattermostMattermost<= 6.3.8
MattermostMattermost>= 6.4.0, <= 6.5.1
MattermostMattermost6.6.0
MattermostMattermost6.6.1
MattermostMattermost6.7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2022-2406?
CVE-2022-2406 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2406?
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-2022-2406?

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

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Source: NVD / NIST