What is CVE-2025-59704?

CVE-2025-59704 is a medium-severity vulnerability in Entrust Nshield 5c, classified under Improper Authentication. CVSS score: 4.6/10. Published 2025-12-02.

How severe is CVE-2025-59704?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Entrust Nshield 5c

CVE-2025-59704

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 an attacker to gain access the the BIOS menu because is has no password.

Vulnerability class: Broken Authentication

Published 2025-12-02 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.entrust.com/use-case/why-use-an-hsm (Product)
github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj (Exploit, Third Party Advisory)
www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-…
github.com/advisories/GHSA-3c73-5g33-8g22

Frequently asked questions

What is CVE-2025-59704?: CVE-2025-59704 is a medium-severity vulnerability in Entrust Nshield 5c, classified under Improper Authentication. CVSS score: 4.6/10. Published 2025-12-02.
How severe is CVE-2025-59704?: Medium severity. CVSS v3 base score is 4.6 out of 10.