What is the CVSS score of CVE-2025-34025?

CVE-2025-34025 has a CVSS 4.0 base score of 8.6 (High). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L. EPSS exploitation probability: 0.2%.

How to fix or mitigate CVE-2025-34025?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Concerto CVE-2025-34025

HIGH

Incorrect Permission Assignment for Critical Resource (CWE-732)

2025-05-21 disclosure@vulncheck.com

RCE Concerto Versa Networks

8.6

CVSS 4.0 · Vendor: vulncheck

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Vulnerability Assessment

Weakness	CWE CWE-732 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V13 - Configuration Permission assignment review
Impact	CVSS score of 8.6 (HIGH). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.22%.
Exploit ScenarioDerived	A local attacker with access to the system could access resources due to misconfigured permissions.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and restrict file/resource permissions, apply principle of least privilege.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. The Versa Concerto SD-WAN orchestration platform is vulnerable to an privileges escalation and container escape vulnerability caused by unsafe default mounting of host binary paths that allow the container to modify host paths. The escape can be used to trigger remote code execution or direct host access depending on the host operating system configuration.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable. Version information: through 12.2.0..

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vulncheck) PRIMARY 8.6 HIGH

CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

Primary rating from Vendor (vulncheck) · only source for this CVE.

CVSS VectorVendor: vulncheck

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

Present

Privileges Required

High

User Interaction

None

Vulnerable system: Confidentiality

High

Vulnerable system: Integrity

High

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

High

Subsequent system: Integrity

High

Subsequent system: Availability

Low

DescriptionCVE.org

The Versa Concerto SD-WAN orchestration platform is vulnerable to an privileges escalation and container escape vulnerability caused by unsafe default mounting of host binary paths that allow the container to modify host paths. The escape can be used to trigger remote code execution or direct host access depending on the host operating system configuration.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.

Executive ViewAI

Why It Matters

Organizations using Versa Concerto SD-WAN orchestration platform face significant risk from CVE-2025-34025, a incorrect permissions vulnerability rated CVSS 8.6. Attackers could escalate their privileges to gain elevated access beyond their authorized level. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Severe

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score

0.2%

Top 56% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

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 HIGH

CISA KEV No

Public POC No

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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.