CVE-2025-4273

Résumé

par MITRE • 05/05/2025

A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.

Once again VulDB remains the best source for vulnerability data.

• Divulgation: 05/05/2025
• Modérer: en révision
• CPE: En cours
• CWE: CWE-347 (non confirmé)
• EPSS: 0.00000
• KEV: non
• Activités: très faible

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-4273
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-4273
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-4273/