Vulnerability Details : 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.
Products affected by CVE-2021-22043
- 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:*:*:*:*:*:*
Threat overview for CVE-2021-22043
Top countries where our scanners detected CVE-2021-22043
Top open port discovered on systems with this issue
443
IPs affected by CVE-2021-22043 12,490
Threat actors abusing to this issue?
Yes
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affected by CVE-2021-22043!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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Exploit prediction scoring system (EPSS) score for CVE-2021-22043
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22043
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.0
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:P/A:P |
6.8
|
6.4
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
NIST |
CWE ids for CVE-2021-22043
-
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-22043
-
https://www.vmware.com/security/advisories/VMSA-2022-0004.html
VMSA-2022-0004Patch;Vendor Advisory
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