CVE detail
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
VMware addressed several high-severity flaws that were disclosed during China’s Tianfu Cup hacking contest. VMware addressed several high-severity vulnerabilities that were demonstrated by Kunlun Lab team during China’s Tianfu Cup 2021 hacking contest. The vulnerabilities impact VMware ESXi, Workstation, and Fusion. Below is the list published by the virtualization giant: CVE-2021-22040 – VMware ESXi, Workstation, and […]
newssecurityaffairs.comFeb 16, 2022, 9:15 AMVMware on Tuesday announced that it has patched several high-severity vulnerabilities that were disclosed last year at a major Chinese hacking contest.
newswww.securityweek.comFeb 15, 2022, 2:52 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2020-3982CVSS 7.7 · High
VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-…
- CVE-2020-3981CVSS 5.8 · Medium
VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-…
- CVE-2019-5519CVSS 6.8 · Medium
VMware ESXi (6.7 before ESXi670-201903001, 6.5 before ESXi650-201903001, 6.0 before ESXi600-201903001), Workstation (15.x before 15.0.4, 14.x before 14.1.7), Fusion (11.x before 1…
- CVE-2026-41702CVSS 7.8 · High
VMware Fusion contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during an operation performed by a SETUID binary. A malicious actor with local non-administra…
- CVE-2025-22224CVSS 9.3 · Critical
VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privilege…
- CVE-2023-34046CVSS 6.7 · Medium
VMware Fusion(13.x prior to 13.5) contains a TOCTOU (Time-of-check Time-of-use) vulnerability that occurs during installation for the first time (the user needs to drag or copy…