CVE-2023-1133Public exploitNetwork attack vector

Unauthenticated code execution via UDP deserialization

Published Mar 27, 2023 · Updated Feb 13, 2025

Deserialization in Delta Electronics InfraSuite Device Master before 1.0.5 allows remote attackers to execute code via UDP port 10100. The ParseUDPPacket() method treats attacker-controlled packet-header bytes as a .NET object and passes them to BinaryFormatter.Deserialize() without validation. The service listens by default without authentication, and successful payloads run in the Device-Gateway-Status process context.

CVSS severity9.8
Critical
EPSS probability50.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deserialization in Delta Electronics InfraSuite Device Master before 1.0.5 allows remote attackers to execute code via UDP port 10100. The ParseUDPPacket() method treats attacker-controlled packet-header bytes as a .NET object and passes them to BinaryFormatter.Deserialize() without validation. The service listens by default without authentication, and successful payloads run in the Device-Gateway-Status process context.

The record

CVE
CVE-2023-1133
Published
Mar 27, 2023
Updated
Feb 13, 2025
Vendor
Delta Electronics, Inc.
Product
InfraSuite Device Master
Classifications
CWE-502, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.0.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Delta Electronics, Inc. · InfraSuite Device Masterversion=0 <1.0.5

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8ICS-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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