CVE-2022-34303
A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.
Published:Aug 11, 2022
Last Modified:Nov 21, 2024
EPS:Aug 26, 2022
EPSS Score:0.00077
CVSS Score:6.7
Affected Products
Vendor
Product
Action
Vendor
Eurosoft-uk
Product
Uefi Bootloader
Eurosoft-uk
Uefi Bootloader
Vendor
Microsoft
Product
Windows 10
Microsoft
Windows 10
Vendor
Microsoft
Product
Windows 11
Microsoft
Windows 11
Vendor
Microsoft
Product
Windows 8.1
Microsoft
Windows 8.1
Vendor
Microsoft
Product
Windows Rt 8.1
Microsoft
Windows Rt 8.1
Vendor
Microsoft
Product
Windows Server 2012
Microsoft
Windows Server 2012
Vendor
Microsoft
Product
Windows Server 2016
Microsoft
Windows Server 2016
Vendor
Microsoft
Product
Windows Server 2019
Microsoft
Windows Server 2019
Vendor
Microsoft
Product
Windows Server 2022
Microsoft
Windows Server 2022
Vendor
Redhat
Product
Enterprise Linux
Redhat
Enterprise Linux
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
