B&R Industrial Automation APROL up to 4.4-00 GRUB Configuration missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in B&R Industrial Automation APROL up to 4.4-00. The affected element is an unknown function of the component GRUB Configuration. Such manipulation leads to missing authentication. This vulnerability is traded as CVE-2024-45483. The attack can be executed directly on the physical device. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in B&R Industrial Automation APROL up to 4.4-00. Affected by this issue is an unknown function of the component GRUB Configuration. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A Missing Authentication for Critical Function vulnerability in the GRUB configuration used B&R APROL <4.4-01 may allow an unauthenticated physical attacker to alter the boot configuration of the operating system.

The advisory is shared for download at br-automation.com. This vulnerability is handled as CVE-2024-45483 since 08/29/2024. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Applying the patch 4.4-01 is able to eliminate this problem.

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

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 4.4-01

Timelineinfo

08/29/2024 🔍
03/25/2025 +208 days 🔍
03/25/2025 +0 days 🔍
03/25/2025 +0 days 🔍

Sourcesinfo

Advisory: br-automation.com
Status: Confirmed

CVE: CVE-2024-45483 (🔍)
GCVE (CVE): GCVE-0-2024-45483
GCVE (VulDB): GCVE-100-300944

Entryinfo

Created: 03/25/2025 06:33
Changes: 03/25/2025 06:33 (68)
Complete: 🔍
Cache ID: 216::103

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