CVE-2023-24064: Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR4 fails to validate /etc/initab during the Pre-Boo

Q: How do I fix CVE-2023-24064?

vynamic security suite: upgrade to 3.3.0sr4. Exact commands for each OS are on this page.

Q: Is CVE-2023-24064 being exploited?

CVE-2023-24064 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-24064 affect?

CVE-2023-24064 affects vynamic security suite. Severity is medium (CVSS 6.8). 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

Q: How urgent is CVE-2023-24064?

Priority 38/100. Public exploit reference

Routine

MEDIUM 6.8UPGRADE

CVE-2023-24064 is a medium-severity flaw (CVSS 6.8) affecting vynamic security suite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Published	2024-08-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dieboldnixdorf

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-08 18:15 UTCPublished CVE record published
2026-06-17 05:38 UTCUpdated Record last modified

dieboldnixdorf vynamic security suite UPGRADE

Affected: < 3.3.0sr4

Fixed in: 3.3.0sr4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vynamic-security-suite || rpm -q vynamic-security-suite || vynamic-security-suite --version

2. UPGRADE to 3.3.0sr4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vynamic-security-suite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vynamic-security-suite

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-24064?

vynamic security suite: upgrade to 3.3.0sr4. Exact commands for each OS are on this page.

Is CVE-2023-24064 being exploited?

CVE-2023-24064 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-24064 affect?

CVE-2023-24064 affects vynamic security suite. Severity is medium (CVSS 6.8). 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

How urgent is CVE-2023-24064?

Priority 38/100. Public exploit reference

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References

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