CVE Feed

    Dashboard / CVE / CVE-2020-4005

    CVE-2020-4005

    VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG) contains a privilege-escalation vulnerability that exists in the way certain system calls are being managed. A malicious actor with privileges within the VMX process only, may escalate their privileges on the affected system. Successful exploitation of this issue is only possible when chained with another vulnerability (e.g. CVE-2020-4004)

    Published:Nov 20, 2020
    Last Modified:Oct 31, 2025
    EPS:Nov 20, 2020
    EPSS Score:0.00205
    CVSS Score:7.8

    Affected Products

    Vendor
    Vmware
    Product
    Cloud Foundation
    Vendor
    Vmware
    Product
    Esxi

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-41709 (CVSS 2.7) — VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue …
    CVE-2026-41703 (CVSS 7.6) — VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM dep…
    CVE-2026-47876 (CVSS 9.3) — VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious a…
    CVE-2026-59309 (CVSS 9.8) — VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious ac…
    CVE-2026-59310 (CVSS 9.8) — VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with netwo…
    CVE-2026-41724 (CVSS 8) — VMware Cloud Foundation Operations contains multiple stored cross-site scripting vulnerabilities.A malicious a…
    CVE-2026-41723 (CVSS 8) — VMware Cloud Foundation Operations contains multiple stored cross-site scripting vulnerabilities.A malicious a…
    CVE-2026-41722 (CVSS 8) — VMware Cloud Foundation Operations contains multiple stored cross-site scripting vulnerabilities.A malicious a…
    CVE-2026-22721 (CVSS 6.2) — VMware Aria Operations contains a privilege escalation vulnerability. A malicious actor with privileges in vCe…
    CVE-2026-22720 (CVSS 8) — VMware Aria Operations contains a stored cross-site scripting vulnerability. A malicious actor with privileges…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High