Medium severity · published Feb 29, 2024
CVE-2024-23488
Files of archived channels accessible with the “Allow users to view archived channels” option disabled
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
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 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 8.1.8; through 9.4.1 · source: vendor
MS
Mattermost Server · Mattermost
before 8.1.9; 9.0.0 before 9.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23488
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23488
Vendor Advisory
https://mattermost.com/security-updates
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