CVE-2021-33128
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before...
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable 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 some Intel(R) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable denial of service via local access.
- Record
CVE-2021-33128- 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 - Updated
- 2026-11-02
CVE List
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable denial of service via local access.
- Record
CVE-2021-33128- 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 - Updated
- 2026-11-02
EUVDEUVD-2021-19843
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable denial of service via local access.
- Record
EUVD-2021-19843- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wm3q-48m9-f8mr
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before...
Improper access control in the firmware for some Intel(R) E810 Ethernet Controllers before version 1.6.1.9 may allow a privileged user to potentially enable denial of service via local access.
- Record
GHSA-wm3q-48m9-f8mr- 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 - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33128 is a medium vulnerability (CVSS 4.4) in Intel Ethernet Controller E810 Firmware, published August 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.