CVE-2025-59697
Medium
Elevated severity or exploit probability.
CVSS base
7.2
HIGH
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.3%
23.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-269
Published 2025-12-02 · modified 2026-08-26
CVSS breakdown
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
| Attack Vector | P | Physical |
| Attack Complexity | L | Low |
| Privileges Required | H | High |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2025-12-02 — Published (NVD)
- 2026-08-26 — Last modified (NVD)
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
References
- https://github.com/advisories/GHSA-c2xm-xv33-q796
- exploit https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj
- https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-september-2025
- https://www.entrust.com/use-case/why-use-an-hsm
- exploit https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj