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CVE-2025-3770— SMM IDT Privilege Escalation Vulnerability

Quick assessment

Affected
TianoCore EDK2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EDK2是Tianocore社区的一套基于UEFI和PI规范的跨平台固件开发环境。 EDK2存在安全漏洞，该漏洞源于BIOS中保护机制失效，可能导致本地攻击者执行任意代码，影响机密性、完整性和可用性。

CVSS 7.0 · High EPSS 0.15% · P4
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I. Basic Information for CVE-2025-3770

Vulnerability Information
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Vulnerability Title
SMM IDT Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
EDK2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EDK2是Tianocore社区的一套基于UEFI和PI规范的跨平台固件开发环境。 EDK2存在安全漏洞，该漏洞源于BIOS中保护机制失效，可能导致本地攻击者执行任意代码，影响机密性、完整性和可用性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TianoCore EDK2 0 ~ edk2-stable202505 -

II. Public POCs for CVE-2025-3770

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III. Intelligence Information for CVE-2025-3770

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Vendor Advisories for CVE-2025-3770 (1)

IV. Related Vulnerabilities

Same product: EDK2
Same vendor: TianoCore
Same weakness: CWE-693

V. Comments for CVE-2025-3770

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