// For flags

CVE-2021-26340

 

Severity Score

8.4
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

105
*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).

Un Hypervisor malicioso en conjunción con un proceso de atacante no privilegiado dentro de una máquina virtual invitada SEV/SEV-ES puede producir un fallo en el vaciado de la Memoria Intermedia de Traducción (TLB), resultando en un comportamiento no esperado dentro de la máquina virtual (VM)

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-29 CVE Reserved
  • 2021-12-10 CVE Published
  • 2024-09-16 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions (105)