Vulnerability CVE-2021-22043


Published: 2022-02-16

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.

Type:

CWE-367

(Time-of-check Time-of-use (TOCTOU) Race Condition)

CVSS2 => (AV:N/AC:M/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6/10
6.4/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Vmware -> Fusion 
Vmware -> ESXI 

 References:
https://www.vmware.com/security/advisories/VMSA-2022-0004.html

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