UpHeron
All vulnerabilities

Servers and applications

CVE-2021-22043

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.

Severity
High 7.5
Published
16 Feb 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
VMware ESXiServers and applications · cpe:o:vmware:esxi
  • Version 7.0-update_1
  • Version 7.0-update_2
  • Version 7.0-update_3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-22043
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-22043