CVE-2021-22043

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
Vendor Advisory vmware.com
Affected: n/a VMware ESXi and VMware Cloud Foundation
Published at:
Updated at:

References

Link Tags
https://www.vmware.com/security/advisories/VMSA-2022-0004.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-22043?
CVE-2021-22043 has been scored as a high severity vulnerability.
How to fix CVE-2021-22043?
To fix CVE-2021-22043, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22043 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22043 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22043?
CVE-2021-22043 affects n/a VMware ESXi and VMware Cloud Foundation.
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