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Fencer Vulns
high 7.0

CVE-2025-3770 json

SMM IDT Privilege Escalation Vulnerability

published 2025-08-07 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23901

cvss
7.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

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.

Patch / fix

  • edk2 Debian 13 2025.02-8+deb13u1
  • edk2 Debian 14 2025.02-9

debian advisories DEBIAN-CVE-2025-3770

  • edk2 Ubuntu 22.04 LTS 2022.02-3ubuntu0.22.04.4
  • edk2 Ubuntu 24.04 LTS 2024.02-2ubuntu0.6
  • edk2 Ubuntu 26.04 LTS, Ubuntu 25.10 2025.02-8ubuntu3

ubuntu advisories UBUNTU-CVE-2025-3770

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • edk2 Azure Linux 3.0 20240524git3e722403cd16-9
  • edk2 CBL-Mariner 2.0 20230301gitf80f052277c8-43
  • hvloader CBL-Mariner 2.0 1.0.1-14

azure linux advisories AZL-66108AZL-66119AZL-66122

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
15 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • TianoCore EDK2

Classification

Weakness
  • CWE-693 Protection Mechanism Failure

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.