CVE-2024-28748Network attack vector

Authenticated command execution via file-reading function

Published Jul 9, 2024 · Updated Aug 2, 2024

OS command injection in ifm Smart PLC AC14xx and AC4xxS firmware 4.3.17 and earlier allows remote authenticated users to execute OS commands. CERT@VDE identifies the locus only as a file-reading function that accepts injected command syntax; no file or function name is public. High-privileged access is required, and successful command execution can expose or modify controller data or interrupt controller services.

CVSS severity7.2
High
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in ifm Smart PLC AC14xx and AC4xxS firmware 4.3.17 and earlier allows remote authenticated users to execute OS commands. CERT@VDE identifies the locus only as a file-reading function that accepts injected command syntax; no file or function name is public. High-privileged access is required, and successful command execution can expose or modify controller data or interrupt controller services.

The record

CVE
CVE-2024-28748
Published
Jul 9, 2024
Updated
Aug 2, 2024
Vendor
ifm electronic GmbH
Product
SmartPLC AC14xx Firmware
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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 <=4.3.17
  2. Affected versionversion=0 <=V4.3.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ifm electronic GmbH · SmartPLC AC14xx Firmwareversion=0 <=4.3.17; version=0 <=V4.3.17
ifm electronic GmbH · SmartPLC AC4xxS Firmwareversion=0 <=4.3.17; version=0 <=V4.3.17

Published CVSS scores

7.2CERT@VDECVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

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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