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Nshield 5c Firmware CVE-2025-59704

| EUVDEUVD-2025-200271 MEDIUM
Improper Authentication (CWE-287)
2025-12-02 cve@mitre.org
4.6
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

Unauthorized access to protected functionality, data, or administrative interfaces, potentially leading to full system compromise. With a CVSS score of 4.6 (MEDIUM), this represents a moderate risk.

Exploit ScenarioDerived

An attacker manipulates authentication tokens, exploits logic flaws, or uses default credentials to bypass the login mechanism and access restricted areas.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow an attacker to gain access the the BIOS menu because is has no password.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 14:04 CVSS 4.6

RemediationAI

Implement robust authentication mechanisms. Use multi-factor authentication. Review authentication logic for bypass conditions. Remove default credentials.

Affected VersionsENISA

n/a n/a

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

An authentication bypass vulnerability allows attackers to circumvent login mechanisms and gain unauthorized access without valid credentials. This vulnerability is classified as Improper Authentication (CWE-287).

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.6 MEDIUM
AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
PoC Detected
Jan 06, 2026 - 21:15 vuln.today
Public exploit code
CVE Published
Dec 02, 2025 - 16:15 nvd
MEDIUM 4.6

Executive ViewAI

Why It Matters

CVE-2025-59704 presents moderate security risk, a improper authentication vulnerability rated CVSS 4.6. This could allow unauthorized access to protected resources. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access, enable MFA, monitor auth logs.

Threat Intelligence Overview

EPSS Score
0.0%
Top 100% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact
Low

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +23
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

CVE-2025-59695 CRITICAL POC
9.8 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a user with OS root access to a

CVE-2025-59693 CRITICAL POC
9.8 Dec 02

The Chassis Management Board in Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow

CVE-2025-59703 CRITICAL POC
9.1 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a Physically Proximate Attacker

CVE-2025-59702 HIGH POC
7.2 Dec 02

A privilege escalation vulnerability (CVSS 7.2) that allows a physically proximate attacker with elevated privileges. Ri

CVE-2025-59697 HIGH POC
7.2 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker

CVE-2025-59705 MEDIUM POC
6.8 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a Physically Proximate Attacker

CVE-2025-59699 MEDIUM POC
6.8 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker

CVE-2025-59698 MEDIUM POC
6.8 Dec 02

CVE-2025-59698 is a security vulnerability (CVSS 6.8) that allows a physically proximate attacker. Risk factors: public

CVE-2025-59694 MEDIUM POC
6.8 Dec 02

CVE-2025-59694 is a security vulnerability (CVSS 6.8) that allows a physically proximate attacker. Risk factors: public

CVE-2025-59701 MEDIUM POC
4.1 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker

CVE-2025-59700 LOW POC
3.9 Dec 02

Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker

CVE-2025-59696 LOW POC
3.2 Dec 02

CVE-2025-59696 is a security vulnerability (CVSS 3.2) that allows a physically proximate attacker. Risk factors: public

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