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 7.5 HIGH
CVSS v2.0 6.0 MEDIUM

7.5^/10

CVSS v3 : 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

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::::::

History

24 Feb 2022, 19:51

Type	Values Removed	Values Added
First Time		Vmware fusion Vmware esxi Vmware
CWE		CWE-367
CPE		cpe:2.3:o:vmware:esxi:7.0:update_1:::::: cpe:2.3:o:vmware:esxi:7.0:update_2:::::: cpe:2.3:a:vmware:fusion:::::::: cpe:2.3:o:vmware:esxi:7.0:update_3::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.0 v3 : 7.5
References	~~(MISC) https://www.vmware.com/security/advisories/VMSA-2022-0004.html -~~	(MISC) https://www.vmware.com/security/advisories/VMSA-2022-0004.html - Patch, Vendor Advisory

16 Feb 2022, 18:00

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-16 17:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-22043

Mitre link : CVE-2021-22043

CVE.ORG link : CVE-2021-22043

JSON object : View

Products Affected

vmware

fusion
esxi

CWE

CWE-367

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

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