Medium severity · published May 26, 2024
CVE-2024-5272
Run Details leak to guest via webhook event "custom_playbooks_playbook_run_updated"
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to restrict the audience of the "custom_playbooks_playbook_run_updated" webhook event, which allows a guest on a channel with a playbook run linked to see all the details of the playbook run when the run is marked by finished.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
9.5.0 through 9.5.3; 9.6.0 through 9.6.1; 8.1.0 through 8.1.12 · source: vendor, CISA
MS
Mattermost Server · Mattermost
8.1.0 before 8.1.13; 9.5.0 before 9.5.4; 9.6.0 before 9.6.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-5272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-5272
Vendor Advisory
https://mattermost.com/security-updates
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