VMware ESXi privilege escalation | CVE-2021-22043
NAME
VMware ESXi privilege escalation
- Platforms Affected:
VMware ESXi 6.5
VMware ESXi 6.7
VMware ESXi 7.0
VMware Cloud Foundation (ESXi) 3.0
VMware Cloud Foundation (ESXi) 4.0 - Risk Level:
8.2 - Exploitability:
Unproven - Consequences:
Gain Privileges
DESCRIPTION
VMware ESXi could allow a local authenticated attacker to gain elevated privileges on the system, caused by a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. By writing arbitrary files, an attacker could exploit this vulnerability to escalate their privileges.
CVSS 3.0 Information
- Privileges Required: High
- User Interaction: None
- Scope: Changed
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to VMware Security Advisory VMSA-2022-0004 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://www.vmware.com/security/advisories/VMSA-2022-0004.html - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22043
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