CVE-2024-9497

Status: DeferredHigh (8.6)—

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.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Base score: 8.6

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.24%
Percentile among all scored CVEs: 14
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1203 Exploitation for Client Executionexecution85 %
Primary impactT1574.007 Path Interception by PATH Environment Variablestealth · execution80 %
Secondary impactT1068 Exploitation for Privilege Escalationprivilege escalation75 %

UI:R + acceso local → ejecución en cliente (T1203). DLL hijacking (CWE-427) causa carga de librerías maliciosas (T1574.007) y escalada de privilegios (T1068) durante la instalación.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Threat Intelligence Program Restrict File and Directory Permissions

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Silabs — Usbxpress 4 SDK^AI

CWEs

CWE-427

References

https://community.silabs.com/068Vm00000JUQwd

Raw JSON (NVD)

Show

{
  "id": "CVE-2024-9497",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-9497",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-24T14:49:15.337370Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "product-security@silabs.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.6,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@silabs.com",
      "affectedData": [
        {
          "vendor": "silabs.com",
          "product": "USBXpress 4 SDK",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "4.0.3"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "packageName": "USBXpress 4 SDK",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-01-24T15:15:11.620",
  "references": [
    {
      "url": "https://community.silabs.com/068Vm00000JUQwd",
      "source": "product-security@silabs.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "product-security@silabs.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress 4 SDK\n\n \n\n\n\n installer can lead to privilege escalation and arbitrary code execution when running the impacted installer."
    },
    {
      "lang": "es",
      "value": "Las vulnerabilidades de secuestro de DLL, causadas por una ruta de búsqueda no controlada en el instalador del SDK USBXpress 4, pueden provocar una escalada de privilegios y la ejecución de código arbitrario al ejecutar el instalador afectado."
    }
  ],
  "lastModified": "2026-06-17T08:24:41.397",
  "sourceIdentifier": "product-security@silabs.com"
}