Attacker Value
Unknown
0
CVE-2021-22040
0
CVE ID
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CVE-2021-22040
(Last updated October 07, 2023) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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Description
VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine’s VMX process running on the host.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.7 Medium
Impact Score:
5.9
Exploitability Score:
0.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
VMware ESXi , Workstation, Fusion and VMware Cloud Foundation VMware ESXi (7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878, 7.0 U1 before ESXi70U1e-19324898, ESXi 6.7 before ESXi670-202111101-SG and ESXi 6.5 ESXi650-202202401-SG), Workstation (16.x before 16.2.1), Fusion (12.x before 12.2.1) and VMware Cloud Foundation (4.x before 4.4 and 3.x before 3.11)
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- vmware
Products
- cloud foundation,
- esxi 6.5,
- esxi 6.7,
- esxi 7.0,
- fusion,
- workstation player,
- workstation pro
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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