CVE-2021-26406

Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application…

High · published May 9, 2023

CVSS v3.1
7.5
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

Insufficient validation in parsing Owner's

Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)

and SEV-ES user application can lead to a host crash potentially resulting in

denial of service.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00416 · 34.9th percentile
Published
2023-05-09T18:59Z
EPSS history
Timeline
  • 09 MAY 18:59Z
    Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application…
    cvelistv5