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CVE-2023-47858

MEDIUMCVSS 4.3/10EPSS 0.36%

Last modified

CVE-2023-47858 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint. . EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.

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
0.36%

27.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MattermostMattermost Server< 8.1.7
MattermostMattermost Server>= 9.0.0, < 9.0.5
MattermostMattermost Server>= 9.1.0, < 9.1.4
MattermostMattermost Server>= 9.2.0, < 9.2.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-47858?
Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
How severe is CVE-2023-47858?
CVE-2023-47858 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2023-47858?
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-2023-47858?

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

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Source: NVD / NIST