Medium severity · published Jul 14, 2022
CVE-2022-2406
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the…
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 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-2022-2406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2406
Vendor Advisory
https://mattermost.com/security-updates/
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