What is the CVSS score of CVE-2024-45538?

CVE-2024-45538 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2024-45538?

Within 24 hours: Identify all DSM and DSMUC deployments in your environment and their current versions. Within 7 days: Apply vendor patches immediately-upgrade DSM to version 7.2.1-69057-2 or 7.2.2-72806 or later, and DSMUC to version 3.1.4-23079 or later. Within 30 days: Conduct post-patch validation and review access logs for exploitation attempts during the vulnerability window.

Diskstation Manager CVE-2024-45538

Q: Which versions of Diskstation Manager are affected by CVE-2024-45538?

A critical CSRF vulnerability in Synology DiskStation Manager and Unified Controller allows remote attackers to execute arbitrary code without authentication, potentially compromising all affected…. A patch is available.

EUVD-2024-55302 CRITICAL

Cross-Site Request Forgery (CSRF) (CWE-352)

2025-12-04 security@synology.com

RCE CSRF Synology Diskstation Manager Diskstation Manager Unified Controller

9.6

CVSS 3.1 · Vendor: synology

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Vulnerability Assessment

Weakness	CWE CWE-352 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	An attacker can perform state-changing operations (password changes, fund transfers, data deletion) using the victim's authenticated session. With a CVSS score of 9.6 (CRITICAL), this represents a critical risk.
Exploit ScenarioDerived	An attacker hosts a malicious page that, when visited by an authenticated user, silently submits a forged request to the target application using the user's cookies.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

Cross-Site Request Forgery (CSRF) vulnerability in WebAPI Framework in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute arbitrary code via unspecified vectors.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 16:35 CVSS 9.6

RemediationAI

Implement anti-CSRF tokens for all state-changing operations. Use SameSite cookie attribute. Verify the Origin/Referer header on the server side.

Affected VersionsENISA

DiskStation Manager (DSM) 7.2.2 <7.2.2-72806

Unified Controller (DSMUC) 3.1 <3.1.4-23079

DiskStation Manager (DSM) 7.2.1 <7.2.1-69057-2

Affected Packages

euvd diskstation_manager_dsm fix: 7.2.1-69057-2, 7.2.2-72806

euvd unified_controller_dsmuc fix: 3.1.4-23079

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in euvd

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

Technical ContextAI · show details

Cross-Site Request Forgery forces authenticated users to perform unintended actions by tricking their browser into sending forged requests. This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352).

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (synology) PRIMARY 9.6 CRITICAL

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

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

CVSS VectorVendor: synology

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 05:50 EUVD-patch-fix

executive summary

Patch available

Apr 16, 2026 - 05:29 EUVD

7.2.2-72806,3.1.4-23079,7.2.1-69057-2

CVE Published

Dec 04, 2025 - 15:15 nvd

CRITICAL 9.6

Executive ViewAI

Why It Matters

A critical CSRF vulnerability in Synology DiskStation Manager and Unified Controller allows remote attackers to execute arbitrary code without authentication, potentially compromising all affected NAS devices and centralized management infrastructure. Organizations using these products face immediate risk of unauthorized code execution, data theft, and system compromise affecting business continuity and data security.

Business Impact: Severe

Compensating Controls

Apply vendor patch. If patching cannot be immediately completed: restrict network access to DSM/DSMUC web interfaces to trusted IP ranges only, implement network segmentation to isolate affected devices, disable remote access until patches are deployed, and monitor for unauthorized authentication attempts or suspicious API calls.

Threat Intelligence Overview

EPSS Score

0.1%

Top 77% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

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: +48

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Request Forgery MEDIUM

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

More in Diskstation Manager

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10.0 Jan 09

webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2 before 4.2-3243, and 4.3 before

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5.6 Jan 04

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of

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Command injection vulnerability in smart.cgi in Synology DiskStation Manager (DSM) before 5.2-5967-5 allows remote authe

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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)

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CVE-2015-3113 CRITICAL POC

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References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-45538 ADVISORY https://vuldb.com/vuln/334266 ADVISORY https://www.synology.com/en-global/security/advisory/Synology_SA_24_27

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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