Critical severity · published Dec 6, 2023
CVE-2023-6458
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 7.8.14; 8.0.0 before 8.1.5; 9.0.0 before 9.0.3; 9.1.0 before 9.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6458
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6458
Vendor Advisory
https://mattermost.com/security-updates
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