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CVE-2022-2408

MEDIUMCVSS 4.3/10EPSS 0.50%

Last modified

CVE-2022-2408 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.50%

39.0th 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-2022-2408?
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
How severe is CVE-2022-2408?
CVE-2022-2408 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2408?
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-2022-2408?

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

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Source: NVD / NIST