What is the CVSS score of CVE-2025-52207?

CVE-2025-52207 has a CVSS 3.1 base score of 9.9 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L. EPSS exploitation probability: 5.8%.

Is there a public PoC exploit available for CVE-2025-52207?

Yes, a public proof-of-concept exploit is available for CVE-2025-52207. Prioritise patching immediately. EPSS: 5.8%.

How to fix or mitigate CVE-2025-52207?

Within 24 hours: Identify all affected systems running MikoPBX and apply vendor patches immediately. Monitor vendor channels for patch availability.

PHP CVE-2025-52207

EUVD-2025-19422 CRITICAL

Relative Path Traversal (CWE-23)

2025-06-27 cve@mitre.org

PHP Information Disclosure

9.9

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-23 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Relative path traversal prevention
Impact	CVSS 9.9. EPSS 5.8%. No patch confirmed.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in MikoPBX to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.

No patch listed yet 5.8% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

A security vulnerability in MikoPBX (CVSS 9.9) that allows uploading a php script. Critical severity with potential for significant impact on affected systems.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 00:16 CVSS 9.9

PBXCoreREST/Controllers/Files/PostController.php in MikoPBX through 2024.1.114 allows uploading a PHP script to an arbitrary directory.

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

MikoPBX 0 ≤2024.1.114

Affected Packages

euvd mikopbx no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

Technical ContextAI · show details

CWE-23 (Relative Path Traversal). CVSS 9.9 indicates critical severity with likely remote exploitation vector. Affects MikoPBX.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.9 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

DescriptionCVE.org

PBXCoreREST/Controllers/Files/PostController.php in MikoPBX through 2024.1.114 allows uploading a PHP script to an arbitrary directory.

Executive ViewAI

Why It Matters

Organizations using MikoPBX face critical risk from CVE-2025-52207 rated CVSS 9.9. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. Organizations should apply vendor updates immediately when available and implement 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

5.8%

Top 10% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS POC (1)

GitHub

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 CRITICAL

CISA KEV No

Public POC Yes

EPSS 5.8%

Patch available No

Active threat No

Deciding rule

CRITICAL severity + public POC available

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

Out-of-Cycle

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +6

CVSS: +50

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.