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CVE-2025-4275

HIGH
Published 2025-06-11T00:25:17.737Z
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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.006
Higher than 0.6% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Running the provided utility changes the certificate on any Insyde BIOS and then the attached .efi file can be launched.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

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.

Affected Products (ENISA)

insyde software
insydeh2o

ENISA Scoring

CVSS Score (3.1)

7.8
/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Score

0.020
probability

Data provided by ENISA EU Vulnerability Database. Last updated: July 30, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-v9r5-7mg9-fwrr

Advisory Details

Running the provided utility changes the certificate on any Insyde BIOS and then the attached .efi file can be launched.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Advisory provided by GitHub Security Advisory Database. Published: June 11, 2025, Modified: June 11, 2025

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

8 posts
Reddit 1 month, 2 weeks ago
crstux
Exploit

🔥 Top 10 Trending CVEs (17/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-3464](https://nvd.nist.gov/vuln/detail/CVE-2025-3464)** - 📝 A race condition vulnerability exists in Armoury Crate. This vulnerability arises from a Time-of-check Time-of-use issue, potentially leading to authentication bypass. Refer to the Security Update for Armoury …

1
1.0
View Original High Risk
Reddit 1 month, 2 weeks ago
crstux
Exploit

🔥 Top 10 Trending CVEs (16/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-0133](https://nvd.nist.gov/vuln/detail/CVE-2025-0133)** - 📝 A reflected cross-site scripting (XSS) vulnerability in the GlobalProtect gateway and portal features of Palo Alto Networks PAN-OS software enables execution of malicious JavaScript in the context of …

2
2.0
View Original High Risk
Reddit 1 month, 2 weeks ago
softtechhubus
Exploit

How to Secure Your Windows PC Now to Prevent Bootkit Malware Takeover [How to Secure Your Windows PC Now to Prevent Bootkit Malware Takeover](https://preview.redd.it/0atcr6ibdq6f1.png?width=1921&format=png&auto=webp&s=c1b9a4f311c2be877a642c6f0cc06b2da785b324) # Imagine your computer is a castle. Every time you turn it on, you're waking up the entire kingdom inside. You have guards, walls, and a …

Also mentions: CVE-2025-33053
1
1.0
View Original High Risk
Reddit 1 month, 2 weeks ago
crstux

🔥 Top 10 Trending CVEs (13/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-32711](https://nvd.nist.gov/vuln/detail/CVE-2025-32711)** - 📝 M365 Copilot Information Disclosure Vulnerability - 📅 **Published:** 11/06/2025 - 📈 **CVSS:** 9.3 - 🧭 **Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C - 📣 **Mentions:** 14 - ⚠️ **Priority:** 2 --- **2. [CVE-2024-57727](https://nvd.nist.gov/vuln/detail/CVE-2024-57727)** …

Reddit 1 month, 3 weeks ago
crstux

🔥 Top 10 Trending CVEs (12/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-33070](https://nvd.nist.gov/vuln/detail/CVE-2025-33070)** - 📝 Windows Netlogon Elevation of Privilege Vulnerability - 📅 **Published:** 10/06/2025 - 📈 **CVSS:** 8.1 - 🧭 **Vector:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - 📣 **Mentions:** 3 - ⚠️ **Priority:** 2 --- **2. …

Reddit 1 month, 3 weeks ago
crstux
Exploit

🔥 Top 10 Trending CVEs (11/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2025-33053](https://nvd.nist.gov/vuln/detail/CVE-2025-33053)** - 📝 Web Distributed Authoring and Versioning (WEBDAV) Remote Code Execution Vulnerability - 📅 **Published:** 10/06/2025 - 📈 **CVSS:** 8.8 - 🛡️ **CISA KEV:** True - 🧭 **Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - …

1
1.0
View Original High Risk
Reddit 1 month, 3 weeks ago
digicat

Hydroph0bia (CVE-2025-4275) - a trivial SecureBoot bypass for UEFI-compatible firmware based on Insyde H2O, part 1

Reddit 1 month, 3 weeks ago
crstux
Exploit

🔥 Top 10 Trending CVEs (10/06/2025) Here’s a quick breakdown of the 10 most interesting vulnerabilities trending today: **1. [CVE-2024-3721](https://nvd.nist.gov/vuln/detail/CVE-2024-3721)** - 📝 A vulnerability was found in TBK DVR-4104 and DVR-4216 up to 20240412 and classified as critical. This issue affects some unknown processing of the file /device.rsp?opt=sys&cmd=___S_O_S_T_R_E_A_MAX___. The manipulation …

2
2.0
View Original High Risk

References

Published: 2025-06-11T00:25:17.737Z
Last Modified: 2025-06-11T13:38:37.531Z
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