CVE-2025-59699

MEDIUM

Entrust Nshield 5C Firmware - Authentication Bypass by Spoofing

Title source: rule

Description

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker to escalate privileges by booting from a USB device with a valid root filesystem. This occurs because of insecure default settings in the Legacy GRUB Bootloader.

References (2)

[Exploit, Third Party Advisory] https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj

[Product] https://www.entrust.com/use-case/why-use-an-hsm

Scores

CVSS v3 6.8

EPSS 0.0003

EPSS Percentile 10.0%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-290

Status published

Products (5)

entrust/nshield_5c_firmware < 13.6.12

entrust/nshield_connect_xc_base_firmware < 13.6.12

entrust/nshield_connect_xc_high_firmware < 13.6.12

entrust/nshield_connect_xc_mid_firmware < 13.6.12

entrust/nshield_hsmi_firmware < 13.6.12

Published Dec 02, 2025

Tracked Since Feb 18, 2026