CVE-2021-22043
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files.
VMware ESXi contiene una vulnerabilidad TOCTOU (Time-of-check Time-of-use) que se presenta en la forma de manejar los archivos temporales. Un actor malicioso con acceso a settingsd, puede explotar este problema para escalar sus privilegios al escribir archivos arbitrarios
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-04 CVE Reserved
- 2022-02-16 CVE Published
- 2023-09-09 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.vmware.com/security/advisories/VMSA-2022-0004.html | 2022-02-24 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Vmware Search vendor "Vmware" | Fusion Search vendor "Vmware" for product "Fusion" | < 4.4 Search vendor "Vmware" for product "Fusion" and version " < 4.4" | - |
Affected
| ||||||
| Vmware Search vendor "Vmware" | Esxi Search vendor "Vmware" for product "Esxi" | 7.0 Search vendor "Vmware" for product "Esxi" and version "7.0" | update_1 |
Affected
| ||||||
| Vmware Search vendor "Vmware" | Esxi Search vendor "Vmware" for product "Esxi" | 7.0 Search vendor "Vmware" for product "Esxi" and version "7.0" | update_2 |
Affected
| ||||||
| Vmware Search vendor "Vmware" | Esxi Search vendor "Vmware" for product "Esxi" | 7.0 Search vendor "Vmware" for product "Esxi" and version "7.0" | update_3 |
Affected
| ||||||