What’s Vulnerable › Vulnerabilities

CVE-2023-28865

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-08-08 · updated 2026-06-17
• Weakness: CWE-345

Description

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR15, 4.0.0 SR05, 4.1.0 SR03, and 4.2.0 SR02 fails to validate the directory contents of certain directories (e.g., ensuring the expected hash sum) 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.

Affected products

• Dieboldnixdorf Vynamic Security Suite: before 3.3.0sr15; from 4.0.0 before 4.0.0sr05; from 4.1.0 before 4.1.0sr03; from 4.2.0 before 4.2.0sr02 — fixed in 3.3.0sr15, 4.0.0sr05, 4.1.0sr03, 4.2.0sr02

How to fix

Upgrade to a fixed version: Dieboldnixdorf Vynamic Security Suite 3.3.0sr15, 4.0.0sr05, 4.1.0sr03, 4.2.0sr02. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2023-28865 or the next vulnerability affects your stack