What is CVE-2025-52457?

CVE-2025-52457 is a medium-severity vulnerability in Gallagher Hbus Devices, classified under CWE-208. CVSS score: 5.7/10. Published 2025-11-18.

How severe is CVE-2025-52457?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Gallagher Hbus Devices

CVE-2025-52457

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.

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Gallagher Hbus Devices — versions 0, 9.30, 9.20

Weakness classification (CWE)

CWE-208

References

disclosures@gallagher.com

Frequently asked questions

What is CVE-2025-52457?: CVE-2025-52457 is a medium-severity vulnerability in Gallagher Hbus Devices, classified under CWE-208. CVSS score: 5.7/10. Published 2025-11-18.
How severe is CVE-2025-52457?: Medium severity. CVSS v3 base score is 5.7 out of 10.