CVE-2021-21571CWE-295
Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability
Medium · published June 24, 2021
What it is
Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering.
The record
Technical detail
- CVSS v3.1
- 5.9 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00539 · 44.6th percentile
- Weakness
- CWE-295 · Improper Certificate Validation
- Published
- 2021-06-24T17:00Z
EPSS history
Timeline