CVE-2024-29977

published 2024-08-01

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…

Priority P4 25 medium 4.3 CVSS 3.1

AV N AC L PR L UI N S U C N I L A N

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

Affected

7 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 9.5.0+incompatible < 9.5.7+incompatible	9.5.7+incompatible
github.com	mattermost_mattermost-server	>= 9.9.0+incompatible < 9.9.1+incompatible	9.9.1+incompatible
github.com	mattermost_mattermost_server_v8	>= 9.5.0 < 9.5.7	9.5.7
github.com	mattermost_mattermost_server_v8	>= 9.9.0 < 9.9.1	9.9.1
mattermost	mattermost	—	—
mattermost	mattermost	>= 9.5.0 < 9.5.7	9.5.7
mattermost	mattermost	9.5.0 – 9.5.6	—

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CWE-284