What is the CVSS score of CVE-2024-40721?

CVE-2024-40721 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Tcb Servisign CVE-2024-40721

HIGH

Improper Input Validation (CWE-20)

2024-08-02 twcert@cert.org.tw

Information Disclosure Microsoft Tcb Servisign

8.8

CVSS 3.1 · Vendor: cert

Severity by source

Vendor (cert) PRIMARY

8.8 HIGH

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

Primary rating from Vendor (cert) · only source for this CVE.

CVSS VectorVendor: cert

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 02, 2024 - 11:16 cve.org

HIGH 8.8

DescriptionCVE.org

The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path.

AnalysisAI

The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path. Affected products include: Changingtec Tcb Servisign.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.