CVE-2024-28751

ifm: Hardcoded telnet credentials in Smart PLC

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Published Jul 9, 2024 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed

Description

An high privileged remote attacker can enable telnet access that accepts hardcoded credentials.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ifm

Smart PLC AC14xx Firmware

unaffected

Version	Status	Constraints
`0`	affected	≤ V4.3.17

ifm

Smart PLC AC4xxS Firmware

unaffected

Version	Status	Constraints
`0`	affected	≤ V4.3.17

No data.

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2024-25839	An high privileged remote attacker can enable telnet access that accepts hardcoded credentials.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.592% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://cert.vde.com/en/advisories/VDE-2024-012

History

Aug 22, 2025 10:30 AM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-78

Aug 22, 2025 10:00 AM Description updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Description	An high privileged remote attacker can enable telnet access that accepts hardcoded credentials.	An high privileged remote attacker can enable telnet access that accepts hardcoded credentials.
Weaknesses		CWE-798

Subscriptions

Ifm Smart Plc Ac14xx Firmware Smart Plc Ac4xxs Firmware

Weaknesses

CWE-798

Sources

CVE record Updated: Aug 22, 2025, 9:53 AM

Status: PUBLISHED
Assigner: CERTVDE
Published: Jul 9, 2024, 7:11 AM
Updated: Aug 22, 2025, 9:53 AM
Reserved: Mar 8, 2024, 8:39 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 12:56 AM

Updated: Aug 2, 2024, 12:56 AM

NVD Updated: Jun 17, 2026, 7:21 AM

Status: Deferred
Published: Jul 9, 2024, 7:15 AM
Modified: Jun 17, 2026, 7:21 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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