CVE-2020-36283
HID OMNIKEY 5427 and OMNIKEY 5127 readers are vulnerable to CSRF when using the EEM driver ...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-36283- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:R - Updated
- 2026-11-02
EUVDEUVD-2020-23825
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.
- Record
EUVD-2020-23825- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3f7c-f4gm-hmv7 No score
HID OMNIKEY 5427 and OMNIKEY 5127 readers are vulnerable to CSRF when using the EEM driver ...
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.
- Record
GHSA-3f7c-f4gm-hmv7- Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-36283- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-36283 is a critical vulnerability (CVSS 9.6) in Hidglobal Omnikey 5127 Firmware, published March 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. No source names a fixed version.