CVE-2021-22043

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

VendorProductVersions
n/aVMware ESXi and VMware Cloud FoundationVMware ESXi(7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878 and 7.0 U1 before ESXi70U1e-19324898) and VMware Cloud Foundation 4.x before 4.4

References

Timeline

Published
Feb 16, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-22043: High severity, CVSS 7.5 | Vulnix