What is the CVSS score of CVE-2022-40305?

CVE-2022-40305 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2022-40305?

Yes, a public proof-of-concept exploit is available for CVE-2022-40305. Prioritise patching immediately. EPSS: 1.2%.

Canto CVE-2022-40305

CRITICAL

Server-Side Request Forgery (SSRF) (CWE-918)

2022-09-09 cve@mitre.org

SSRF Canto

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 09, 2022 - 05:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. 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. Affected products include: Canto. Version information: through 11.1.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.