Vulnerability · Published Feb 9, 2022 · Assigned by intel
CVE-2021-33115
High 8.8
In plain English
A high-severity improper input validation in Intel(R) PROSet/Wireless WiFi in UEFI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 47.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33115 |
| Ubuntu:24.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33115 |
| Ubuntu:25.10 | linux-firmware | no fix listed | UBUNTU-CVE-2021-33115 |
| Ubuntu:26.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2021-33115 |
| Ubuntu:26.10 | linux-firmware | no fix listed | UBUNTU-CVE-2021-33115 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) PROSet/Wireless WiFi in UEFI | See references |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H