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LOW · 2.7

CVE-2024-29977

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitr...

Vulnerability Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

CVSS Score

2.7

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MattermostMattermost>= 9.5.0, < 9.5.7

Related Weaknesses (CWE)

CWE-284

References

FAQ

What is CVE-2024-29977?

CVE-2024-29977 is a vulnerability with a CVSS score of 2.7 (LOW). Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitr...

How severe is CVE-2024-29977?

CVE-2024-29977 has been rated LOW with a CVSS base score of 2.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-29977?

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