CVE-2022-40305

Name: CVE-2022-40305
Creator: NVD / NIST
Published: 2022-09-09T05:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2022-40305 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Canto	Canto	<= 11.1.3

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-023.txtExploit, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-023.txtExploit, Third Party Advisory

Timeline

Published: Sep 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40305?

How severe is CVE-2022-40305?

CVE-2022-40305 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40305?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40305?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST