What is the CVSS score of CVE-2026-25201?

CVE-2026-25201 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-25201?

Within 24 hours: Inventory all MagicInfo9 Server installations and versions; isolate affected systems from production networks if version is below 21.1090.1; disable remote file upload functionality if possible. Within 7 days: Implement network segmentation to restrict access to MagicInfo9 Server to authorized users only; deploy WAF rules to block suspicious file upload requests; enable comprehensive logging and monitoring. Within 30 days: Upgrade all affected MagicInfo9 Server instances to version 21.1090.1 or later; conduct forensic analysis for signs of compromise; patch all related systems.

Magicinfo 9 Server CVE-2026-25201

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-02-02 PSIRT@samsung.com

Privilege Escalation Samsung Magicinfo 9 Server

8.8

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Send crafted file upload request
Delivery

Bypass file validation checks
Exploit

Execute uploaded file as server process
Execution

Gain remote code execution
Impact

Escalate privileges on system

Vulnerability Assessment

Weakness	CWE CWE-434 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V5 - File Handling File type validation, storage isolation MITRE ATT&CK 2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	MagicInfo9 Server version less than 21.1090.1 with file upload endpoint accessible. User interaction required to trigger file execution. No authentication required for upload endpoint.
Impact	CVSS 8.8 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: Required. Exploitation no authentication required. Exploitable via remote/network.
Exploit ScenarioDerived	A remote attacker without authentication could exploit this flaw, privilege escalation in MagicInfo9 Server.

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

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Remote code execution in MagicInfo 9 Server (versions prior to 21.1090.1) allows unauthenticated attackers to upload arbitrary files without authentication, resulting in complete system compromise with high confidentiality, integrity, and availability impact. The vulnerability enables privilege escalation and requires only user interaction to trigger. No patch is currently available for this critical flaw affecting all vulnerable MagicInfo 9 Server installations.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 22:01 CVSS 8.8

An unauthenticated user can upload arbitrary files to execute remote code, leading to privilege escalation in MagicInfo9 Server. This issue affects MagicINFO 9 Server: less than 21.1090.1. [CVSS 8.8 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.

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

Classified as CWE-434 (Unrestricted Upload of File with Dangerous Type). Affects Magicinfo 9 Server. An unauthenticated user can upload arbitrary files to execute remote code, leading to privilege escalation in MagicInfo9 Server. This issue affects MagicINFO 9 Server: less than 21.1090.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

An unauthenticated user can upload arbitrary files to execute remote code, leading to privilege escalation in MagicInfo9 Server. This issue affects MagicINFO 9 Server: less than 21.1090.1.

Executive ViewAI

Why It Matters

MagicInfo9 Server installations are vulnerable to unauthenticated remote code execution and privilege escalation, allowing attackers to gain complete system control without credentials. Any organization using MagicInfo9 Server below version 21.1090.1 faces immediate risk of data breach, service disruption, and lateral movement into connected infrastructure.

Business Impact: Severe

Compensating Controls

Network segmentation (restrict MagicInfo9 Server access to trusted networks only); disable or restrict file upload features at the application level; implement Web Application Firewall (WAF) rules to block multipart file uploads and suspicious payloads; require VPN/proxy authentication for all access to the server; enable detailed audit logging of all upload activities; monitor for unusual process execution and network connections from the server. Note: These controls reduce but do not eliminate risk. Patching when available is mandatory.

Threat Intelligence Overview

EPSS Score

0.0%

Top 90% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.0%

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Very High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +44

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.