CVE-2025-59694 json
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)…
published 2025-12-02 11 mo ago modified 2026-11-04 4 d ago also EUVD-2025-200260
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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 persistently modify firmware and influence the (insecurely configured) appliance boot process. To exploit this, the attacker must modify the firmware via JTAG or perform an upgrade to the chassis management board firmware. This is called F03.
Patch / fix
- entrust nshield_5c_firmware 13.6.12, 13.9.0
- entrust nshield_hsmi_firmware 13.6.12, 13.9.0
- entrust nshield_connect_xc_base_firmware 13.6.12, 13.9.0
- entrust nshield_connect_xc_mid_firmware 13.6.12, 13.9.0
- entrust nshield_connect_xc_high_firmware 13.6.12, 13.9.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 11 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/google/security-research/security/advisories/GHSA-6q4x-m86j-gfwj referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-1274 Improper Access Control for Volatile Memory Containing Boot Code
References
Sources
- CVE List CVE-2025-59694
- NVD CVE-2025-59694
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