Diebold Nixdorf Vynamic Security Suite up to 4.3.0 SR02 Pre-Boot Authorization improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Diebold Nixdorf Vynamic Security Suite up to 3.3.0 SR16/4.0.0 SR06/4.1.0 SR03/4.2.0 SR03/4.3.0 SR02. The affected element is an unknown function of the component Pre-Boot Authorization. Such manipulation leads to improper authorization. This vulnerability is documented as CVE-2023-40261. The attack can be executed directly on the physical device. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Diebold Nixdorf Vynamic Security Suite up to 3.3.0 SR16/4.0.0 SR06/4.1.0 SR03/4.2.0 SR03/4.3.0 SR02. Affected by this issue is an unknown functionality of the component Pre-Boot Authorization. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity. CVE summarizes:

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 SR03 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.

The advisory is shared for download at dieboldnixdorf.com. This vulnerability is handled as CVE-2023-40261 since 08/11/2023. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 3.3.0 SR17, 4.0.0 SR07, 4.1.0 SR04, 4.2.0 SR04 or 4.3.0 SR03 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-44858). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 2.1
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Vynamic Security Suite 3.3.0 SR17/4.0.0 SR07/4.1.0 SR04/4.2.0 SR04/4.3.0 SR03

Timelineinfo

08/11/2023 🔍
08/08/2024 +363 days 🔍
08/08/2024 +0 days 🔍
01/27/2026 +537 days 🔍

Sourcesinfo

Advisory: dieboldnixdorf.com
Status: Confirmed

CVE: CVE-2023-40261 (🔍)
GCVE (CVE): GCVE-0-2023-40261
GCVE (VulDB): GCVE-100-274016
EUVD: 🔍

Entryinfo

Created: 08/08/2024 22:16
Updated: 01/27/2026 18:48
Changes: 08/08/2024 22:16 (55), 08/10/2024 03:20 (12), 08/20/2024 07:08 (11), 01/27/2026 18:48 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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