VDB-300952 · CVE-2024-8314 · GCVE-0-2024-8314

B&R Industrial Automation APROL up to 4.4-00P4 incorrect implementation of authentication algorithm

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in B&R Industrial Automation APROL up to 4.4-00P4. This vulnerability affects unknown code. Executing a manipulation can lead to incorrect implementation of authentication algorithm. This vulnerability is tracked as CVE-2024-8314. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in B&R Industrial Automation APROL up to 4.4-00P4. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a incorrect implementation of authentication algorithm vulnerability. The CWE definition for the vulnerability is CWE-303. The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An Incorrect Implementation of Authentication Algorithm and Exposure of Data Element to Wrong Ses-sion vulnerability in the session handling used in B&R APROL <4.4-00P5 may allow an authenticated network attacker to take over a currently active user session without login credentials.

The advisory is shared for download at br-automation.com. This vulnerability was named CVE-2024-8314 since 08/29/2024. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Applying the patch 4.4-00P5 is able to eliminate this problem.

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

Productinfo

Type

Automation Software

Vendor

B&R Industrial Automation

Name

APROL

Version

4.4-00P4

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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect implementation of authentication algorithm
CWE: CWE-303
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 4.4-00P5

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-2024-8314 (🔍)
GCVE (CVE): GCVE-0-2024-8314
GCVE (VulDB): GCVE-100-300952

Entryinfo

Created: 03/25/2025 06:37
Changes: 03/25/2025 06:37 (66)
Complete: 🔍
Cache ID: 216::103