Medium severity · published Sep 9, 2022
CVE-2022-3147
Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource…
6.5
CVSS
1%
EPSS
No
On KEV
Description
Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.
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)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 7.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3147
Permissions Required
https://hackerone.com/reports/1549513
Vendor Advisory
https://mattermost.com/security-updates/
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