CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A Server-Side Request Forgery issue in Canto Cumulus through 11.1.3 allows attackers to enumerate the internal network, overload network resources, and possibly have unspecified other impact via the server parameter to the /cwc/login login form.
Technical details
- Published
- 2022-09-09
Frequently asked questions
What is CVE-2022-40305?
A Server-Side Request Forgery issue in Canto Cumulus through 11.1.3 allows attackers to enumerate the internal network, overload network resources, and possibly have unspecified other impact via the server parameter to the /cwc/login login form.
Is CVE-2022-40305 actively exploited?
Active exploitation of CVE-2022-40305 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-40305?
CVE-2022-40305 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-40305 affecting your environment?
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