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CVE-2021-22043

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 16-02-2022 06:15
Last modified: - 24-02-2022 08:51
Total changes: - 2

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
High
Attack complexity
Network
Attack vector
High
Availability
High
Confidentiality
High
Integrity
Low
Privileges required
Unchanged
Scope
None
User interaction
7.5
Base score
1.6
5.9
Exploitability score
Impact score
 

Verification logic

OR
vendor=vmware AND product=fusion AND versionEndExcluding=4.4
vendor=vmware AND product=esxi AND version=7.0 AND update=update_1
vendor=vmware AND product=esxi AND version=7.0 AND update=update_2
vendor=vmware AND product=esxi AND version=7.0 AND update=update_3
 

Reference

 


Keywords

NVD

 

CVE-2021-22043

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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