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

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2021

CVE-2021-220447.5In Spring Cloud OpenFeign 3.0.0 to 3.0.4, 2.2.0.RELEASE to 2.2.9.RELEASE, and older unsupported versions, applications using type-level `@ReCVE-2021-220457.8VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.CVE-2021-220475.3In Spring Data REST versions 3.4.0 - 3.4.13, 3.5.0 - 3.5.5, and older unsupported versions, HTTP resources implemented by custom controllersCVE-2021-220488.8The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A CVE-2021-220499.8The vSphere Web Client (FLEX/Flash) contains an SSRF (Server Side Request Forgery) vulnerability in the vSAN Web Client (vSAN UI) plug-in. ACVE-2021-22059.1Vulnerability in the Oracle Marketing product of Oracle E-Business Suite (component: Marketing Administration). Supported versions that are CVE-2021-220507.5ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit thisCVE-2021-220516.5Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream serviCVE-2021-220538.8Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose a way to execute code submitted CVE-2021-220547.5VMware Workspace ONE UEM console 20.0.8 prior to 20.0.8.37, 20.11.0 prior to 20.11.0.40, 21.2.0 prior to 21.2.0.27, and 21.5.0 prior to 21.5CVE-2021-220555.3The SchedulerServer in Vmware photon allows remote attackers to inject logs through \r in the package parameter. Attackers can also insert mCVE-2021-220567.5VMware Workspace ONE Access 21.08, 20.10.0.1, and 20.10 and Identity Manager 3.3.5, 3.3.4, and 3.3.3 contain an SSRF vulnerability. A malici