Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983)…
Priority CRITICAL 88Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983) prior to 8.4 may allow an authenticated malicious actor with network access to the vRealize Operations Manager API can write files to arbitrary locations on the underlying photon operating system.
Why it matters now
Exploitation Active CISA SSVC · not in CISA KEV
EPSS 0.68775 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | VMware vRealize Operations | VMware vRealize Operations prior to 8.4 | — | No fix listed | CNA |
- VMware vRealize Operations Vendor— Affected VMware vRealize Operations prior to 8.4 Fixed in — No fix listed CNA
CPE configurations NVD · 27
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.0.1.1:*:*:*:*:*:*:* | 3.0.1.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.7:*:*:*:*:*:*:* | 3.7 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.7.1:*:*:*:*:*:*:* | 3.7.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.7.2:*:*:*:*:*:*:* | 3.7.2 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.8:*:*:*:*:*:*:* | 3.8 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.8.1:*:*:*:*:*:*:* | 3.8.1 | Vulnerable | VMware |
- cpe:2.3:a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.0.1.1:*:*:*:*:*:*:* Versions 3.0.1.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.7:*:*:*:*:*:*:* Versions 3.7 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.7.1:*:*:*:*:*:*:* Versions 3.7.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.7.2:*:*:*:*:*:*:* Versions 3.7.2 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.8:*:*:*:*:*:*:* Versions 3.8 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.8.1:*:*:*:*:*:*:* Versions 3.8.1 Vulnerable ·VMware
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:cloud_foundation:3.9:*:*:*:*:*:*:* | 3.9 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.9.1:*:*:*:*:*:*:* | 3.9.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:3.10:*:*:*:*:*:*:* | 3.10 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:cloud_foundation:4.0.1:*:*:*:*:*:*:* | 4.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:7.0.0:*:*:*:*:*:*:* | 7.0.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:7.5.0:*:*:*:*:*:*:* | 7.5.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.0.0:*:*:*:*:*:*:* | 8.0.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.0.1:*:*:*:*:*:*:* | 8.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.1.0:*:*:*:*:*:*:* | 8.1.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.1.1:*:*:*:*:*:*:* | 8.1.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.2.0:*:*:*:*:*:*:* | 8.2.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_operations_manager:8.3.0:*:*:*:*:*:*:* | 8.3.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0.1:*:*:*:*:*:*:* | 8.0.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | VMware |
- cpe:2.3:a:vmware:cloud_foundation:3.9:*:*:*:*:*:*:* Versions 3.9 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.9.1:*:*:*:*:*:*:* Versions 3.9.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:3.10:*:*:*:*:*:*:* Versions 3.10 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:cloud_foundation:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:7.5.0:*:*:*:*:*:*:* Versions 7.5.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.0.0:*:*:*:*:*:*:* Versions 8.0.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.0.1:*:*:*:*:*:*:* Versions 8.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.1.0:*:*:*:*:*:*:* Versions 8.1.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.1.1:*:*:*:*:*:*:* Versions 8.1.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.2.0:*:*:*:*:*:*:* Versions 8.2.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_operations_manager:8.3.0:*:*:*:*:*:*:* Versions 8.3.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.0.1:*:*:*:*:*:*:* Versions 8.0.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vrealize_suite_lifecycle_manager:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21983
- 2026-10-03 Alias added: GHSA-4vwx-r658-c2mg
References
More VMware Cloud Foundation vulnerabilities
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07131 Code injection in VMware Workspace ONE Access and Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05029 Improper input validation in VMware vCenter Server and VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-21983 · CVE Program
- CVE-2021-21983 · NVD
- FIRST EPSS
- GHSA-4vwx-r658-c2mg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences