CVE-2021-21978
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution...
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.
- Record
CVE-2021-21978- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-862
- Updated
- 2026-11-02
CVE List No score
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.
- Record
CVE-2021-21978- Updated
- 2026-11-02
EUVDEUVD-2021-9149 No score
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.
- Record
EUVD-2021-9149- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cmcw-cw5c-rg22
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution...
VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability. Improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container.
- Record
GHSA-cmcw-cw5c-rg22- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | VMware View Planner Unauthenticated Log File Upload RCE | 2021-03-02 |
| Nuclei | VMware View Planner <4.6 SP1- Remote Code Execution | |
| PoC in GitHub | GreyOrder/CVE-2021-21978 | 2021-03-05 |
| PoC in GitHub | me1ons/CVE-2021-21978 | 2021-03-05 |
| PoC in GitHub | skytina/CVE-2021-21978 | 2021-03-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21978 is a critical vulnerability (CVSS 9.8) in Vmware View Planner, published March 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.0%, the 99th percentile. No source names a fixed version.