HOMEVULNERABILITIESCVE-2020-36283
HIGH

CVE-2020-36283

CWE-352Published: March 24, 2021· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

HID OMNIKEY 5427 and OMNIKEY 5127 readers are vulnerable to CSRF when using the EEM driver (Ethernet Emulation Mode). By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to upload a configuration file to the device. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

NVD Source

Technical Analysis

CVE-2020-36283 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

hidglobal4 product(s)
omnikey 5427 firmwareomnikey 5427omnikey 5127 firmwareomnikey 5127
Source: NVD CPE · 4 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://exchange.xforce.ibmcloud.com/vulnerabilities/198443
ADVISORYhttps://www.hidglobal.com/sites/default/files/resource_files/hid-psa-2020-01-omnikey-csrf-security-advisory-paper.pdf
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/198443
ADVISORYhttps://www.hidglobal.com/sites/default/files/resource_files/hid-psa-2020-01-omnikey-csrf-security-advisory-paper.pdf

All References (4)

→
https://exchange.xforce.ibmcloud.com/vulnerabilities/198443Third Party Advisory · VDB Entry
→
https://www.hidglobal.com/sites/default/files/resource_files/hid-psa-2020-01-omnikey-csrf-security-advisory-paper.pdfMitigation · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/198443Third Party Advisory · VDB Entry
→
https://www.hidglobal.com/sites/default/files/resource_files/hid-psa-2020-01-omnikey-csrf-security-advisory-paper.pdfMitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2020-36283
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedMar 24, 2021

Related CVEs (CWE-352)

CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2017-5145
10.0
CVE-2023-4659
9.8
CVE-2020-23426
9.8
CVE-2019-25729
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-36283 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.
← All Vulnerabilities·Search for CVE-2020-36283·NVD