vCenter Server contains an unauthenticated API endpoint vulnerability in vCenter Server Content Library
Published Sep 23, 2021
5.3
MEDIUMCVSS 3.1
EPSS 1.09%
Description
vCenter Server contains an unauthenticated API endpoint vulnerability in vCenter Server Content Library. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to perform unauthenticated VM network setting manipulation.
Affected products
- Vendor n/a Product VMware vCenter Server, VMware Cloud Foundation Defaultn/a
- Version VMware vCenter Server(7.x before 7.0.2 U2d, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3.1 and 3.x before 3.10.2.2)StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | VMware vCenter Server, VMware Cloud Foundation | n/a |
|
- ≥ 3.0 · < 5.0
- 6.5
- 6.7
- 7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.09% (0.01092) | 64.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.06% (0.01057) | 59.92th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.11% (0.01110) | 76.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 34.32% (0.34324) | 95.33th | v4 (v2025.03.14) |
| Mar 24, 2025 | 1.11% (0.01110) | 76.13th | v4 (v2025.03.14) |
| Mar 23, 2025 | 12.01% (0.12011) | 92.77th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.44% (0.01441) | 79.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00084) | 37.51th | v3 (v2023.03.01) |
| Jun 8, 2024 | 0.08% (0.00084) | 35.73th | v3 (v2023.03.01) |
| Jun 5, 2024 | 0.07% (0.00073) | 29.75th | v3 (v2023.03.01) |
| Oct 11, 2023 | 0.08% (0.00077) | 31.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00074) | 29.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v1 |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Jan 5, 2022 | 0.42% (0.00416) | 26.65th | v5 (v2026.06.15) |
| Sep 24, 2021 | 0.42% (0.00416) | 25.72th | v1 |
No CWE recorded.
References (1)
- https://www.vmware.com/security/advisories/VMSA-2021-0020.html x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.vmware.com/security/advisories/VMSA-2021-0020.html | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.