HOMEVULNERABILITIESCVE-2020-16097
MEDIUM

CVE-2020-16097

CWE-522Published: September 15, 2020· Updated: Jun 17, 2026

4.6
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-16097 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.6.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

gallagher1 product(s)
command centre
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://security.gallagher.com/Security-Advisories/CVE-2020-16097
ADVISORYhttps://security.gallagher.com/Security-Advisories/CVE-2020-16097

All References (2)

→
https://security.gallagher.com/Security-Advisories/CVE-2020-16097Vendor Advisory
→
https://security.gallagher.com/Security-Advisories/CVE-2020-16097Vendor Advisory

Quick Facts

CVE IDCVE-2020-16097
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-522
CISA KEVNo
Affected1 vendor(s)
PublishedSep 15, 2020

Related CVEs (CWE-522)

CVE-2026-29128
10.0
CVE-2024-12799
10.0
CVE-2021-36783
9.9
CVE-2019-1384
9.9
CVE-2025-0867
9.9
CVE-2026-56843
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-16097 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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