VDB-332749 · CVE-2025-52457 · CNNVD-202511-2135

Gallagher HBUS Devices timing discrepancy

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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Gallagher HBUS Devices. Affected is an unknown function. This manipulation causes timing discrepancy. The identification of this vulnerability is CVE-2025-52457. It is feasible to perform the attack on the physical device. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Gallagher HBUS Devices. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a timing discrepancy vulnerability. The CWE definition for the vulnerability is CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. As an impact it is known to affect confidentiality. The summary by CVE is:

Observable Timing Discrepancy (CWE-208) in HBUS devices may allow an attacker with physical access to the device to extract device-specific keys, potentially compromising further site security. This issue affects Command Centre Server: 9.30 prior to vCR9.30.251028a (distributed in 9.30.2881 (MR3)), 9.20 prior to vCR9.20.251028a (distributed in 9.20.3265 (MR5)), 9.10 prior to vCR9.10.251028a (distributed in 9.10.4135 (MR8)), all versions of 9.00 and prior.

The advisory is shared at security.gallagher.com. This vulnerability is known as CVE-2025-52457 since 06/17/2025. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version CR9.10.251028a, CR9.20.251028a or CR9.30.251028a eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202511-2135). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Gallagher

Name

HBUS Devices

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.7
CNA Vector (Gallagher): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: HBUS Devices CR9.10.251028a/CR9.20.251028a/CR9.30.251028a

Timelineinfo

06/17/2025 CVE reserved
11/18/2025 +154 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/19/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: security.gallagher.com
Status: Confirmed

CVE: CVE-2025-52457 (🔒)
GCVE (CVE): GCVE-0-2025-52457
GCVE (VulDB): GCVE-100-332749
CNNVD: CNNVD-202511-2135 - Gallagher HBUS Devices 安全漏洞

Entryinfo

Created: 11/18/2025 07:39
Updated: 11/19/2025 19:19
Changes: 11/18/2025 07:39 (63), 11/19/2025 19:19 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.