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CVE-2025-52457

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CVE-2025-52457

Published: Nov 18, 2025

Modified: Nov 19, 2025

PUBLISHED

CVSS v3.1

5.7

MEDIUM

Description

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.

VendorProductVersions

Gallagher

HBUS Devices

affected
0 - <= 9.00
affected
9.30 - < vCR9.30.251028a
affected
9.20 - < vCR9.20.251028a
affected
9.10 - < vCR9.10.251028a

Weaknesses (CWE)

CWE-208

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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