CVE-2021-0009
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and...
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
- Record
CVE-2021-0009- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
- Record
CVE-2021-0009- Updated
- 2026-11-02
EUVDEUVD-2021-2628 No score
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
- Record
EUVD-2021-2628- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qf6f-9fq8-x522 No score
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and...
Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
- Record
GHSA-qf6f-9fq8-x522- Weakness
- CWE-125
- 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-2021-0009 is a medium vulnerability (CVSS 6.5) in Intel Ethernet Controller E810 Firmware, published August 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. No source names a fixed version.