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CVE-2022-40305

24
FAUCET Score

CVE-2022-40305 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting Canto Cumulus versions up to 11.1.3. This flaw allows unauthenticated attackers to manipulate the 'server' parameter in the login form, leading to internal network enumeration, resource exhaustion, and potentially other severe impacts. With a CVSS score of 9.8 (Critical), it presents a high risk due to its network-based attack vector and low complexity. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion, the potential for significant damage remains.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.1.3CPE matchmatch criteria
cpe:2.3:a:canto:canto:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 52nd percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

syss.de / fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-023.txt
ExploitThird Party Advisory