CVE-2025-59699

Published: Dec 2, 2025Updated: Aug 26, 2026 Sources: CVE List NVDCWE-290

6.8MEDIUM

NVD MITRE

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 booting from a USB device with a valid root filesystem. This occurs because of insecure default settings in the Legacy GRUB Bootloader.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:PAttack Vector

Physical

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-290

Affected Products

entrust

commercial·CA

nshield 5c firmwareOn-premFirmware

Security Products / secure-gateway-vpn

nshield hsmi firmwareOn-premFirmware

Security Products / pki-crypto

nshield connect xc base firmwareOn-premFirmware

Security Products / secure-gateway-vpn

nshield connect xc mid firmwareOn-premFirmware

Security Products / secure-gateway-vpn

nshield connect xc high firmwareOn-premFirmware

Security Products / secure-gateway-vpn

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://github.com/advisories/GHSA-g9v7-h8x8-w5vw

github.com

https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj

github.com

https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025

entrust.com

and 1 more references View all →

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