CVE-2021-22043
CVSS V2 Medium 6
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2021-22043
- Assigner
- security@vmware.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-16T17:15:10
- Last Modified Date
- 2022-02-24T19:51:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* | 1 | OR | 4.4 | |
| cpe:2.3:o:vmware:esxi:7.0:update_1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:vmware:esxi:7.0:update_2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:vmware:esxi:7.0:update_3:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6
- Severity
- MEDIUM
- Exploitability Score
- 6.8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 1.6
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.vmware.com/security/advisories/VMSA-2022-0004.html | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22043 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22043 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:31:35 | Added to TrackCVE | |||
| 2022-12-06 09:55:51 | 2022-02-16T17:15Z | 2022-02-16T17:15:10 | CVE Published Date | updated |
| 2022-12-06 09:55:51 | 2022-02-24T19:51:04 | CVE Modified Date | updated | |
| 2022-12-06 09:55:51 | Analyzed | Vulnerability Status | updated |