CVE-2020-0523
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of...
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
- Record
CVE-2020-0523- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
- Record
CVE-2020-0523- Updated
- 2026-11-02
EUVDEUVD-2020-2021 No score
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
- Record
EUVD-2020-2021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-26wj-j8fv-r797 No score
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of...
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
- Record
GHSA-26wj-j8fv-r797- Weakness
- CWE-863
- 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-2020-0523 is a medium vulnerability (CVSS 4.4) in Intel Ethernet Controller I210 Firmware, published February 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. No source names a fixed version.