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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 6.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.vmware.com/security/advisories/VMSA-2022-0004.html	Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:vmware:fusion::::::::
	cpe:2.3:o:vmware:esxi:7.0:update_1::::::
	cpe:2.3:o:vmware:esxi:7.0:update_2::::::
	cpe:2.3:o:vmware:esxi:7.0:update_3::::::

Information

Published : 2022-02-16 09:15

Updated : 2022-02-24 11:51

NVD link : CVE-2021-22043

Mitre link : CVE-2021-22043

JSON object : View

CWE

CWE-367

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

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Products Affected

vmware

esxi
fusion

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