VMware ESXi/Workstation/Fusion/Cloud Foundation GuestInfo denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in VMware ESXi, Workstation, Fusion and Cloud Foundation. This vulnerability affects unknown code of the component GuestInfo. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2020-3999. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability was found in VMware ESXi, Workstation, Fusion and Cloud Foundation (Virtualization Software) (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the component GuestInfo. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
VMware ESXi (7.0 prior to ESXi70U1c-17325551), VMware Workstation (16.x prior to 16.0 and 15.x prior to 15.5.7), VMware Fusion (12.x prior to 12.0 and 11.x prior to 11.5.7) and VMware Cloud Foundation contain a denial of service vulnerability due to improper input validation in GuestInfo. A malicious actor with normal user privilege access to a virtual machine can crash the virtual machine's vmx process leading to a denial of service condition.
The weakness was disclosed 12/21/2020 as VMSA-2020-0029. The advisory is available at vmware.com. This vulnerability was named CVE-2020-3999. The technical details are unknown and an exploit is not available.
Upgrading eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.vmware.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.9
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/21/2020 🔍12/21/2020 🔍
08/08/2025 🔍
Sources
Vendor: vmware.comAdvisory: VMSA-2020-0029
Status: Confirmed
CVE: CVE-2020-3999 (🔍)
GCVE (CVE): GCVE-0-2020-3999
GCVE (VulDB): GCVE-100-166642
scip Labs: https://www.scip.ch/en/?labs.20060413
Entry
Created: 12/21/2020 22:45Updated: 08/08/2025 13:49
Changes: 12/21/2020 22:45 (38), 08/08/2025 13:49 (36)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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