Silabs USBXpress 4 SDK up to 4.0.3 uncontrolled search path

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Silabs USBXpress 4 SDK up to 4.0.3. This affects an unknown part. The manipulation leads to uncontrolled search path. This vulnerability is listed as CVE-2024-9497. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Silabs USBXpress 4 SDK up to 4.0.3. It has been rated as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress 4 SDK installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.

The advisory is shared at community.silabs.com. The identification of this vulnerability is CVE-2024-9497 since 10/03/2024. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2025). MITRE ATT&CK project uses the attack technique T1574 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (Silabs): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/03/2024 🔍
01/24/2025 +113 days 🔍
01/24/2025 +0 days 🔍
08/28/2025 +216 days 🔍

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2024-9497 (🔍)
GCVE (CVE): GCVE-0-2024-9497
GCVE (VulDB): GCVE-100-293273

Entryinfo

Created: 01/24/2025 16:08
Updated: 08/28/2025 10:59
Changes: 01/24/2025 16:08 (27), 01/24/2025 16:11 (34), 08/28/2025 10:59 (1)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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