CVE-2021-33126 json
Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.…
published 2022-08-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19841
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.
Patch / fix
- intel ethernet_controller_xxv710_firmware 8.5
- intel ethernet_controller_xl710_firmware 8.5
- intel ethernet_controller_v710_firmware 8.5
- intel ethernet_controller_x710_firmware 8.5
- intel ethernet_network_adapter_x722da2_firmware 1.5.5
- intel ethernet_network_adapter_x722da4fh_firmware 1.5.5
- intel ethernet_network_adapter_x722da4g1p5_firmware 1.5.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
Affected products
- n/a Intel(R) 700 and 722 Series Ethernet Controllers and Adapters
References
-
intel.com
/content/www/us/en/security-center/advisory/intel-sa-00593.html
patch, vendor-advisory
Sources
- CVE List CVE-2021-33126
- NVD CVE-2021-33126
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