CVE-2020-16097

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-15 · updated 2026-06-17
Weakness: CWE-522

Description

On controllers running versions of v8.20 prior to vCR8.20.200221b (distributed in v8.20.1093(MR2)), v8.10 prior to vGR8.10.179 (distributed in v8.10.1211(MR5)), v8.00 prior to vGR8.00.165 (Distributed in v8.00.1228(MR6)), v7.90 prior to vGR7.90.165 (distributed in v7.90.1038(MRX)), v7.80 or earlier, It is possible to retrieve site keys used for securing MIFARE Plus and Desfire using debug ports on T Series readers.

Affected products

Gallagher Command Centre: from 7.90 before 7.90.1038; from 8.00 before 8.00.1228; from 8.10 before 8.10.1211; from 8.20 before 8.20.1093; 7.90.1038, 8.00.1228, 8.10.1211, 8.20.1093 — fixed in 7.90.1038, 8.00.1228, 8.10.1211, 8.20.1093

How to fix

Upgrade to a fixed version: Gallagher Command Centre 7.90.1038, 8.00.1228, 8.10.1211, 8.20.1093. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2020-16097 or the next vulnerability affects your stack