Cloud Foundation
CVE-2021-21972
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
AnalysisAI
The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2). Affected products include: Vmware Cloud Foundation, Vmware Vcenter Server. Version information: before 7.0.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
More in Cloud Foundation
View allThe vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual
OpenSLP as used in VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202010401-SG, 6.5 before ESXi650-
Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor
VMware ESXi and Workstation contain a TOCTOU race condition leading to out-of-bounds write, allowing local administrator
Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983) prior to 8.4 may allow an authent
Remote code execution in VMware vCenter Server (and bundled distributions including Cloud Foundation, vSphere Foundation
VMware ESXi contains an arbitrary write vulnerability that allows privileged VMX process users to trigger kernel writes,
VMware Aria Operations contains a command injection vulnerability (CVE-2026-22719, CVSS 8.1) that allows unauthenticated
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability via HGFS out-of-bounds read, allowi
VMware Workspace ONE Access and Identity Manager contain a remote code execution vulnerability due to server-side templa
The vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. Rated critical severity (CV
The vCenter Server contains multiple local privilege escalation vulnerabilities due to misconfiguration of sudo. Rated h
Same weakness CWE-22 – Path Traversal
View allShare
External POC / Exploit Code
Leaving vuln.today