CVE-2025-59693

critical

The Chassis Management Board in 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)),…

Vendor / product: Entrust — nshield 5c firmware

The Chassis Management Board in 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)), allows a physically proximate attacker to obtain debug access and escalate privileges by bypassing the tamper label and opening the chassis without leaving evidence, and accessing the JTAG connector. This is called F02.

CVSS

9.8

9.8 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

Timeline (UTC)

Published: 2025-12-02 15:15

Modified: 2026-11-04 23:10

NVD status: Modified

Last synced 1 hour ago

Verified against the source API 2026-11-04 23:38 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

entrust / nshield_5c_firmware <13.6.12, ≥13.7.3 <13.9.0

entrust / nshield_hsmi_firmware <13.6.12, ≥13.7.3 <13.9.0

entrust / nshield_connect_xc_base_firmware <13.6.12, ≥13.7.3 <13.9.0

entrust / nshield_connect_xc_mid_firmware <13.6.12, ≥13.7.3 <13.9.0

entrust / nshield_connect_xc_high_firmware <13.6.12, ≥13.7.3 <13.9.0

Weakness classification (CWE)

CWE-269

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/advisories/GHSA-j3px-xpp5-mpfc cve@mitre.org
https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj cve@mitre.org
https://www.entrust.com/knowledgebase/hardware/understanding-nshield-security-advisory-sep... cve@mitre.org
https://www.entrust.com/use-case/why-use-an-hsm cve@mitre.org

Data sources

NVD CVE API 2.0 — fetched 2026-11-04 23:38 UTC · record ↗

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CVE-2025-59693

Affected products

Weakness classification (CWE)

Mitigation & advisories

References

Data sources

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