CVE-2024-39274 — HIGH (8.7)

Q: How severe is CVE-2024-39274?

CVE-2024-39274 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2024-39274?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.

Vulnerability Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels

CVSS Score

8.7

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mattermost	Mattermost	>= 9.5.0, < 9.5.7

Related Weaknesses (CWE)

CWE-284

References

https://mattermost.com/security-updatesVendor Advisory

FAQ

What is CVE-2024-39274?

CVE-2024-39274 is a vulnerability with a CVSS score of 8.7 (HIGH). Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared chann...

How severe is CVE-2024-39274?

CVE-2024-39274 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-39274?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.