CVE-2025-59697 - Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a physically proximate attacker to escalate privileges by editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS

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HIGH

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a physically proximate attacker to escalate privileges by editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS

Published Dec 2, 2025

7.2

HIGH

CVSS 3.1

EPSS 0.31%

Description

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a physically proximate attacker to escalate privileges by editing the Legacy GRUB bootloader configuration to start a root shell upon boot of the host OS. This is called F06.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-269

Improper Privilege Management

CWE-284

References (5)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-200257		Advisory
https://github.com/advisories/GHSA-c2xm-xv33-q796
https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj		exploitThird Party Advisory
https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025
https://www.entrust.com/use-case/why-use-an-hsm		Product