CVE-2023-2778Network attack vector

Unauthenticated service interruption via modified port 400 packet

Published Jun 13, 2023 · Updated Mar 5, 2025

Uncontrolled resource consumption in Rockwell Automation FactoryTalk Transaction Manager 13.10 and earlier allows remote attackers to interrupt it. A modified packet sent to the port 400 listener triggers uncontrolled CPU or memory consumption or an application crash. No authentication or user interaction is required, and recovery requires restarting the application.

CVSS severity7.5
High
EPSS probability1.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in Rockwell Automation FactoryTalk Transaction Manager 13.10 and earlier allows remote attackers to interrupt it. A modified packet sent to the port 400 listener triggers uncontrolled CPU or memory consumption or an application crash. No authentication or user interaction is required, and recovery requires restarting the application.

The record

CVE
CVE-2023-2778
Published
Jun 13, 2023
Updated
Mar 5, 2025
Vendor
Rockwell Automation
Product
FactoryTalk Transaction Manager
Classifications
CWE-400, CAPEC-130, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=<=v13.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Rockwell Automation · FactoryTalk Transaction Managerversion=<=v13.10

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5Rockwell AutomationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
CAPEC-130Excessive Allocation
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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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