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Status published
High
CVE-2021-22043
VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
VMware ESXi and VMware Cloud Foundation
Vulnerable Versions:
VMware 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
Timeline
Official Publish:
February 16th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.