TI-2023-09841 Aliases CVE-2023-24064 GHSA-qx4x-h5xp-mmqx

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR4 fails to validate…

HIGH 65Published 2024-08-08 · Updated 2025-03-13

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR4 fails to validate /etc/initab during the Pre-Boot Authorization (PBA) process. This can be exploited by a physical attacker who is able to manipulate the contents of the system's hard disk.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00409 35th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dieboldnixdorf:vynamic_security_suite::::::::	before 3.3.0sr4	Vulnerable	Diebold Nixdorf

cpe:2.3:a:dieboldnixdorf:vynamic_security_suite:*:*:*:*:*:*:*:* Versions before 3.3.0sr4 Vulnerable ·Diebold Nixdorf

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-24064
2026-10-03 Alias added: GHSA-qx4x-h5xp-mmqx

References

Exploit 1

https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Matt%20Burch%20-%20Where%E2%80%99s%20the%20Money%20-%20Defeating%20ATM%20Disk%20Encryption-white%20paper.pdf

Advisory 1

https://www.dieboldnixdorf.com/en-us/banking/portfolio/software/security/

TI-2024-31323 Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR01 does not validate file… CVSS 3.1HIGH 8.1
TI-2024-31322 Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR06 contains functionality that… CVSS 3.1HIGH 8.1
TI-2023-13369 Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR15, 4.0.0 SR05, 4.1.0 SR03… CVSS 3.1MEDIUM 6.6
TI-2023-21106 Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR17, 4.0.0 SR07, 4.1.0 SR04… CVSS 3.1MEDIUM 6.8
TI-2023-16382 Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR16, 4.0.0 SR06, 4.1.0 SR04… CVSS 3.1HIGH 7.5
TI-2023-09840 Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR10 fails to validate… CVSS 3.1MEDIUM 6.8

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences