Medium severity · published Jul 14, 2022
CVE-2022-2408
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in…
4.3
CVSS
0.6%
EPSS
No
On KEV
Description
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
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)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
before 6.3.8; 6.4.0 through 6.5.1; 6.6.0; 6.6.1; 6.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2408
Vendor Advisory
https://mattermost.com/security-updates/
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