CVE-2021-33115
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an...
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege 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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
- Record
CVE-2021-33115- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.8 Medium
AV:A/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
- Record
CVE-2021-33115- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-19830
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
- Record
EUVD-2021-19830- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-22v8-m2j9-v5f6
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an...
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
- Record
GHSA-22v8-m2j9-v5f6- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-33115
Improper input validation for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.
- Record
UBUNTU-CVE-2021-33115- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-firmwareUbuntu:14.04:LTS |
All versions, plus listed versions 1.1161.1171.1181.1191.121 Show 26 moreShow less1.1221.1231.1241.1251.1261.1271.127.21.127.31.127.41.127.51.127.61.127.71.127.81.127.101.127.111.127.121.127.131.127.141.127.151.127.161.127.181.127.191.127.201.127.221.127.231.127.24 |
None known |
linux-firmwareUbuntu:16.04:LTS |
All versions, plus listed versions 1.1491.1501.1521.1531.154 Show 24 moreShow less1.1551.1561.1571.157.11.157.21.157.31.157.41.157.51.157.61.157.81.157.101.157.111.157.121.157.131.157.141.157.151.157.161.157.171.157.181.157.191.157.201.157.211.157.221.157.23 |
None known |
linux-firmwareUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.1691.1701.1711.1721.173 Show 17 moreShow less1.173.11.173.21.173.31.173.51.173.61.173.81.173.91.173.121.173.131.173.141.173.151.173.161.173.171.173.181.173.191.173.201.173.21 |
None known |
linux-firmwareUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 1.1831.183.11.183.21.1841.185 Show 34 moreShow less1.1861.1871.187.11.187.21.187.31.187.41.187.61.187.71.187.81.187.91.187.101.187.111.187.121.187.141.187.151.187.161.187.171.187.191.187.201.187.231.187.241.187.251.187.261.187.271.187.291.187.301.187.311.187.321.187.331.187.341.187.351.187.361.187.381.187.39 |
None known |
linux-firmwareUbuntu:22.04:LTS |
All versions, plus listed versions 1.2011.2021.20420220124.git0c6a7b3b-0ubuntu120220217.git6342082c-0ubuntu1 Show 39 moreShow less20220217.git6342082c-0ubuntu320220302.gitee0667aa-0ubuntu120220314.gitcd01f857-0ubuntu120220314.gitcd01f857-0ubuntu220220329.git681281e4-0ubuntu120220329.git681281e4-0ubuntu320220329.git681281e4-0ubuntu3.220220329.git681281e4-0ubuntu3.320220329.git681281e4-0ubuntu3.420220329.git681281e4-0ubuntu3.520220329.git681281e4-0ubuntu3.620220329.git681281e4-0ubuntu3.720220329.git681281e4-0ubuntu3.920220329.git681281e4-0ubuntu3.1020220329.git681281e4-0ubuntu3.1120220329.git681281e4-0ubuntu3.1220220329.git681281e4-0ubuntu3.1320220329.git681281e4-0ubuntu3.1420220329.git681281e4-0ubuntu3.1620220329.git681281e4-0ubuntu3.1720220329.git681281e4-0ubuntu3.1820220329.git681281e4-0ubuntu3.1920220329.git681281e4-0ubuntu3.2120220329.git681281e4-0ubuntu3.2220220329.git681281e4-0ubuntu3.2320220329.git681281e4-0ubuntu3.2420220329.git681281e4-0ubuntu3.2620220329.git681281e4-0ubuntu3.2920220329.git681281e4-0ubuntu3.3020220329.git681281e4-0ubuntu3.3120220329.git681281e4-0ubuntu3.3420220329.git681281e4-0ubuntu3.3520220329.git681281e4-0ubuntu3.3620220329.git681281e4-0ubuntu3.3720220329.git681281e4-0ubuntu3.3820220329.git681281e4-0ubuntu3.3920220329.git681281e4-0ubuntu3.4020220329.git681281e4-0ubuntu3.4120220329.git681281e4-0ubuntu3.42 |
None known |
linux-firmwareUbuntu:24.04:LTS |
All versions, plus listed versions 20230919.git3672ccab-0ubuntu2.120230919.git3672ccab-0ubuntu2.220240202.git36777504-0ubuntu120240318.git3b128b60-0ubuntu120240318.git3b128b60-0ubuntu2 Show 24 moreShow less20240318.git3b128b60-0ubuntu2.120240318.git3b128b60-0ubuntu2.220240318.git3b128b60-0ubuntu2.320240318.git3b128b60-0ubuntu2.420240318.git3b128b60-0ubuntu2.520240318.git3b128b60-0ubuntu2.620240318.git3b128b60-0ubuntu2.720240318.git3b128b60-0ubuntu2.920240318.git3b128b60-0ubuntu2.1020240318.git3b128b60-0ubuntu2.1120240318.git3b128b60-0ubuntu2.1220240318.git3b128b60-0ubuntu2.1320240318.git3b128b60-0ubuntu2.1420240318.git3b128b60-0ubuntu2.1520240318.git3b128b60-0ubuntu2.1720240318.git3b128b60-0ubuntu2.1920240318.git3b128b60-0ubuntu2.2120240318.git3b128b60-0ubuntu2.2220240318.git3b128b60-0ubuntu2.2320240318.git3b128b60-0ubuntu2.2520240318.git3b128b60-0ubuntu2.2620240318.git3b128b60-0ubuntu2.2720240318.git3b128b60-0ubuntu2.2920240318.git3b128b60.0ubuntu3.1 |
None known |
linux-firmwareUbuntu:25.10 |
All versions, plus listed versions 20250317.git1d4c88ee-0ubuntu120250606.git3b75d677-0ubuntu120250701.gite2dad11e-0ubuntu120250711.git99d64b4f-0ubuntu120250807.gitb6b0b152-0ubuntu1 Show 10 moreShow less20250818.git07ed893d-0ubuntu120250901.git993ff19b-0ubuntu120250901.git993ff19b-0ubuntu1.220250901.git993ff19b-0ubuntu1.420250901.git993ff19b-0ubuntu1.520250901.git993ff19b-0ubuntu1.620250901.git993ff19b-0ubuntu1.720250901.git993ff19b-0ubuntu1.920250901.git993ff19b-0ubuntu1.1020250901.git993ff19b-0ubuntu1.11 |
None known |
linux-firmwareUbuntu:26.10 |
All versions, plus listed versions 20260319.git217ca6e4.1ubuntu20260709.git2c35b1ed.1ubuntu20260818.giteeed587f.1ubuntu20260911.giteeccccbe.1ubuntu20260915.git1522c78a.1ubuntu |
None known |
linux-firmwareUbuntu:26.04:LTS |
All versions, plus listed versions 20250901.git993ff19b-0ubuntu120251009.git46a6999a-0ubuntu120251029.git4f72031f-0ubuntu120251125.gitff6418d1-0ubuntu120260108.gitd86b47f7-0ubuntu1 Show 4 moreShow less20260123.git1b7b9f6c.0ubuntu20260227.gitd8e138dd.0ubuntu20260319.git217ca6e4.0ubuntu20260319.git217ca6e4.1ubuntu |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33115 is a high vulnerability (CVSS 8.8) in Intel Uefi Wifi Driver, published February 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.