What is the CVSS score of CVE-2023-0142?

CVE-2023-0142 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.0%.

Diskstation Manager CVE-2023-0142

HIGH

Uncontrolled Search Path Element (CWE-427)

2023-06-13 security@synology.com

Information Disclosure Synology Diskstation Manager Diskstation Manager Unified Controller Router Manager

8.1

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-427 OWASP Top 10:2025 A08:2025 - Software or Data Integrity Failures ASVS 5.0 V13 - Configuration Search path element control
Impact	CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

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

No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

Uncontrolled search path element vulnerability in Backup Management functionality in Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.0.1-42218-7 and 7.1-42661 allows remote authenticated. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-427. Uncontrolled search path element vulnerability in Backup Management functionality in Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.0.1-42218-7 and 7.1-42661 allows remote authenticated users with administrator privileges to read or write arbitrary files via unspecified vectors. Affected products include: Synology Diskstation Manager Unified Controller, Synology Router Manager, Synology Diskstation Manager. Version information: before 6.2.4.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionNVD

Uncontrolled search path element vulnerability in Backup Management functionality in Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.0.1-42218-7 and 7.1-42661 allows remote authenticated users with administrator privileges to read or write arbitrary files via unspecified vectors.

Threat Intelligence Overview

EPSS Score

1.0%

Top 42% exploitable

Data Quality

2 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 1.0%

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· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +40

PoC: 0

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.

Affected Products (CPE)NVD

cpe:2.3:a:synology:diskstation_manager_unified_controller:3.1:*:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:*:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:update_1:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:update_2:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:update_3:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:update_4:*:*:*:*:*:*

cpe:2.3:a:synology:router_manager:1.3.1-9346:update_5:*:*:*:*:*:*

cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://www.synology.com/en-global/security/advisory/Synology_SA_23_05 ADVISORY https://www.synology.com/en-global/security/advisory/Synology_SA_23_06

Search Externally

GitHub PoC

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