CVE-2024-46916Public exploit

Code execution via pre-mount file deletion

Published Aug 29, 2025 · Updated Aug 29, 2025

Improper access control in Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR06 allows physically proximate attackers to execute code. The mountfs startup script deletes /fastboot and /forcefsck before mounting filesystems, so a crafted /etc/fstab symlink targets a critical file. Offline access to the ATM disk is required; successful manipulation exposes protected Linux files and, in affected versions, TPM disk-encryption keys and the Windows partition.

CVSS severity8.1
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR06 allows physically proximate attackers to execute code. The mountfs startup script deletes /fastboot and /forcefsck before mounting filesystems, so a crafted /etc/fstab symlink targets a critical file. Offline access to the ATM disk is required; successful manipulation exposes protected Linux files and, in affected versions, TPM disk-encryption keys and the Windows partition.

The record

CVE
CVE-2024-46916
Published
Aug 29, 2025
Updated
Aug 29, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284, CWE-269, CWE-276, T1546.004
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.1CISA-ADPCVSS:3.1/AV:N/AC:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-269Improper Privilege Management
CWE-276Incorrect Default Permissions
T1546.004Unix Shell Configuration Modification

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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