B&R Industrial Automation Automation Runtime up to Q4.92 improper resource locking

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in B&R Industrial Automation Automation Runtime up to Q4.92. Affected by this vulnerability is an unknown functionality. The manipulation leads to improper resource locking. This vulnerability is traded as CVE-2025-3450. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in B&R Industrial Automation Automation Runtime up to Q4.92 and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a improper resource locking vulnerability. Using CWE to declare the problem leads to CWE-413. The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource. Impacted is integrity, and availability. The summary by CVE is:

Improper Resource Locking vulnerability in B&R Industrial Automation Automation Runtime.This issue affects Automation Runtime: from 6.0 before 6.3, before Q4.93.

The advisory is shared at br-automation.com. The identification of this vulnerability is CVE-2025-3450 since 04/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version Q4.93 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-32721). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (ABB): 🔒

CVSSv2info

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

Exploitinginfo

Class: Improper resource locking
CWE: CWE-413 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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: Automation Runtime Q4.93

Timelineinfo

04/08/2025 CVE reserved
10/07/2025 +182 days VulDB entry created
10/08/2025 +0 days Advisory disclosed
10/08/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: br-automation.com
Status: Confirmed

CVE: CVE-2025-3450 (🔒)
GCVE (CVE): GCVE-0-2025-3450
GCVE (VulDB): GCVE-100-327569
EUVD: 🔒

Entryinfo

Created: 10/08/2025 00:30
Updated: 10/08/2025 13:28
Changes: 10/08/2025 00:30 (75), 10/08/2025 13:28 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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