CVE-2020-4006
CriticalExploitedPublic exploitVMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.
Published Dec 4, 2020 · Updated Oct 21, 2025 · Also known as TR-20-1001
Key Facts
Patch immediately- CVE-2020-4006 is a critical-severity vulnerability (CVSS 9.1 v3.1) affecting Cloud Foundation (Vmware), Identity Manager (Vmware), Identity Manager Connector (Vmware) and 3 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 3, 2020. Public exploit code is available.
- EPSS estimates a 17% probability of exploitation in the next 30 days.
- Fixed versions are available, including Vrealize Suite Lifecycle Manager <=8.2, Vrealize Suite Lifecycle Manager 8.2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
17%
Higher than 97.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-4006 brief as a PDF
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Description
VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Dec 3, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Cloud FoundationVmware | 4.0, 4.0.1 | n/a |
| Identity ManagerVmware | 3.3.1, 3.3.2, 3.3.3 | n/a |
| Identity Manager ConnectorVmware | 3.3.1, 3.3.2, 3.3.3 | n/a |
| One AccessVmware | 20.01, 20.10 | n/a |
| Vrealize Suite Lifecycle ManagerVmware | See advisory | 8.2 |
Patched Releases
Vrealize Suite Lifecycle Manager
<=8.2
Timeline
Added to Industry KEV feed
Dec 3, 2020
Publicly disclosed
Dec 4, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 21, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://us-cert.cisa.gov/ncas/current-activity/2020/12/03/vmware-releases-security-updates-address-cve-2020-4006
- advisoryhttps://www.kb.cert.org/vuls/id/724367
- advisoryUSOM advisory
- advisoryhttps://www.vmware.com/security/advisories/VMSA-2020-0027.html
- exploitVulnCheck exploitation report
FAQ
Common Questions.
VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.
Affected: Cloud Foundation (Vmware) versions 4.0, 4.0.1; Identity Manager (Vmware) versions 3.3.1, 3.3.2, 3.3.3; Identity Manager Connector (Vmware) versions 3.3.1, 3.3.2, 3.3.3, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 3, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including Vrealize Suite Lifecycle Manager <=8.2, Vrealize Suite Lifecycle Manager 8.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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