CVE-2021-22043
HIGH · CVSS 7.5EPSS 1.1%EU EUVD
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.
Key facts
- CVSS score
- 7.5 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-367
- EPSS score
- 1.1% (64th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2021-9212)
- Published
- February 16, 2022
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2021-9212 in the EU Vulnerability Database. Last updated in EUVD on August 3, 2024.
View on the EU Vulnerability DatabaseAffected products
- vmware / esxi
- vmware / esxi
- vmware / esxi
- vmware / fusion
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- VMware ESXi 7.0 Update 3d - VMware Inc. - Common Criteria CCEVS-VR-VID-11249-2022 - archived
References
- https://www.vmware.com/security/advisories/VMSA-2022-0004.html(Patch, Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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