What is the CVSS score of CVE-2023-39226?

CVE-2023-39226 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Infrasuite Device Master CVE-2023-39226

CRITICAL

Exposed Dangerous Method or Function (CWE-749)

2023-11-30 ics-cert@hq.dhs.gov

RCE Infrasuite Device Master Deltaww

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-749 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Dangerous method exposure prevention
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

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

No patch listed yet 1.2% exploitation probability (EPSS)

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AnalysisAI

In Delta Electronics InfraSuite Device Master v.1.0.7, a vulnerability exists that allows an unauthenticated attacker to execute arbitrary code through a single UDP packet. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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-749. In Delta Electronics InfraSuite Device Master v.1.0.7, a vulnerability exists that allows an unauthenticated attacker to execute arbitrary code through a single UDP packet. Affected products include: Deltaww Infrasuite Device Master.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/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

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

In Delta Electronics InfraSuite Device Master v.1.0.7, a vulnerability exists that allows an unauthenticated attacker to execute arbitrary code through a single UDP packet.

Threat Intelligence Overview

EPSS Score

1.2%

Top 36% 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 CRITICAL

CISA KEV No

Public POC No

EPSS 1.2%

Patch available No

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

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.

Affected Products (CPE)NVD

cpe:2.3:a:deltaww:infrasuite_device_master:1.0.7:*:*:*:*:*:*:*

More in Infrasuite Device Master

View all

CVE-2023-1133 CRITICAL Emergency POC

9.8 Mar 27

Delta Electronics InfraSuite Device Master versions prior to 1.0.5 contain a vulnerability in which the Device-status se

CVE-2023-47207 CRITICAL Act Now

9.8 Nov 30

In Delta Electronics InfraSuite Device Master v.1.0.7, a vulnerability exists that allows an unauthenticated attacker to

CVE-2023-30765 CRITICAL Act Now

9.8 Jul 10

Delta Electronics InfraSuite Device Master versions prior to 1.0.7 contain improper access controls that could allow an

CVE-2023-34347 CRITICAL Act Now

9.8 Jul 10

Delta Electronics InfraSuite Device Master versions prior to 1.0.7 contains classes that cannot be deserialized, which

CVE-2023-1142 CRITICAL Act Now

9.8 Mar 27

In Delta Electronics InfraSuite Device Master versions prior to 1.0.5, an attacker could use URL decoding to retrieve sy

CVE-2023-1140 CRITICAL Act Now

9.8 Mar 27

Delta Electronics InfraSuite Device Master versions prior to 1.0.5 contain a vulnerability that could allow an attacker

CVE-2022-41779 CRITICAL Act Now

9.8 Oct 31

Delta Electronics InfraSuite Device Master versions 00.00.01a and prior deserialize network packets without proper verif

CVE-2022-41772 CRITICAL Act Now

9.8 Oct 31

Delta Electronics InfraSuite Device Master Versions 00.00.01a and prior mishandle .ZIP archives containing characters us

CVE-2022-41657 CRITICAL Act Now

9.8 Oct 31

Delta Electronics InfraSuite Device Master Versions 00.00.01a and prior allow attacker provided data already serialized

CVE-2022-40202 CRITICAL Act Now

9.8 Oct 31

The database backup function in Delta Electronics InfraSuite Device Master Versions 00.00.01a and prior lacks proper aut

CVE-2022-38142 CRITICAL Act Now

9.8 Oct 31

Delta Electronics InfraSuite Device Master versions 00.00.01a and prior deserialize user-supplied data provided through

CVE-2022-41629 CRITICAL Act Now

9.1 Oct 31

Delta Electronics InfraSuite Device Master versions 00.00.01a and prior allow unauthenticated users to access the aprunn

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References

Advisories & patches

REF https://www.cisa.gov/news-events/ics-advisories/icsa-23-331-01

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GitHub PoC

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