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CVE-2023-40261· NVD / CVE Program· CNA mitre

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR17, 4.0.0 SR07, 4.1.0 SR04, 4.2.0 SR04, and 4.3.0 SR02 fails to validate file at

Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR17, 4.0.0 SR07, 4.1.0 SR04, 4.2.0 SR04, and 4.3.0 SR02 fails to validate file attributes 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.

MediumCVSS 6.8 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Aug 8, 2024
Updated
Jun 17, 2026
EPSS
0.4% · 28th percentile
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Report tools

JSON

Action score

27

Monitor

Low priority for now.

CVSS
27 / 40 · 6.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
dieboldnixdorfvynamic security suite

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • dieboldnixdorf vynamic security suitebefore 3.3.0sr17
  • dieboldnixdorf vynamic security suite4.0.0 and later · before 4.0.0sr07
  • dieboldnixdorf vynamic security suite4.1.0 and later · before 4.1.0sr04
  • dieboldnixdorf vynamic security suite4.2.0 and later · before 4.2.0sr04
  • dieboldnixdorf vynamic security suite4.3.0 and later · before 4.3.0sr03

Same product

dieboldnixdorf: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-46917Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR01 does not validate file attributes or the contents of /root during integrity valida
    32Monitor
  • CVE-2024-46916Diebold Nixdorf Vynamic Security Suite through 4.3.0 SR06 contains functionality that allows the removal of critical system files before the
    32Monitor
  • CVE-2023-33206Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR16, 4.0.0 SR06, 4.1.0 SR04, 4.2.0 SR03, and 4.3.0 SR01 fails to validate symlink
    27Monitor
  • CVE-2023-24064Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR4 fails to validate /etc/initab during the Pre-Boot Authorization (PBA) process.
    27Monitor
  • CVE-2023-24063Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR10 fails to validate /etc/mtab during the Pre-Boot Authorization (PBA) process.
    27Monitor
  • CVE-2023-24062Diebold Nixdorf Vynamic Security Suite (VSS) before 3.3.0 SR12, 4.0.0 SR04, 4.1.0 SR02, and 4.2.0 SR01 fails to validate the directory struc
    27Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Physical access to the device is required.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Physical
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-665 · Improper Initialization

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records