CVE-2022-3257
low-risk
Published 2022-09-23
Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Do I need to act?
-
0.40% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.1/10
Low
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (4)
Vendor Advisory
https://mattermost.com/security-updates/
Vendor Advisory
https://mattermost.com/security-updates/
18
/ 100
low-risk
Severity
11/34 · Low
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal