CVE-2021-22043
HIGH
7.5
CVSS Score
Published: February 16, 2022 at 04:37 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
3 products affected across 1 vendorESXiFusionCloud Foundation
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 4.4, so it looks safe — our inference, not a vendor statement
v < 4.4
Affected range stops below 4.4, so it looks safe — our inference, not a vendor statement
v < 4.4
Affected range stops below 4.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2022-0004.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-367
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