chef-server-api/app/controllers/clients.rb in Chef Server in Chef before 0.9.20, and 0.10.x before 0.10.6, does not require administrative privileges for creating admin clients, which allows remote authenticated users to bypass intended access restrictions by leveraging read permission for the validation key and executing a knife client create command with the --admin option
Published Aug 8, 2012
6.5
MEDIUMCVSS 2.0
EPSS 1.68%
Description
chef-server-api/app/controllers/clients.rb in Chef Server in Chef before 0.9.20, and 0.10.x before 0.10.6, does not require administrative privileges for creating admin clients, which allows remote authenticated users to bypass intended access restrictions by leveraging read permission for the validation key and executing a knife client create command with the --admin option.
Affected products
No data.
- ≤ 0.9.18
- 0.5.1
- 0.5.2
- 0.5.4
- 0.5.6
- 0.6.0
- 0.6.2
- 0.7.2
- 0.7.4
- 0.7.6
- 0.7.8
- 0.7.10
- 0.7.12
- 0.7.14
- 0.8.2
- 0.8.4
- 0.8.6
- 0.8.8
- 0.8.10
- 0.8.12
- 0.8.14
- 0.8.16
- 0.9.0
- 0.9.2
- 0.9.4
- 0.9.6
- 0.9.8
- 0.9.10
- 0.9.12
- 0.9.14
- 0.9.16
- 0.10.0
- 0.10.2
- 0.10.4
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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01681) | 76.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01681) | 73.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00191) | 38.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00210) | 59.93th | v3 (v2023.03.01) |
| May 10, 2024 | 0.21% (0.00213) | 59.15th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.20% (0.00200) | 57.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.19% (0.00187) | 54.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00244) | 60.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (2)
- http://tickets.opscode.com/browse/CHEF-2649 x_refsource_CONFIRM
- https://github.com/opscode/chef/commit/33f0e9c58bbf047e1b401a834f3abfe72d9a8947 x_refsource_CONFIRMExploitPatch
| Link | Providers | Tags |
|---|---|---|
| http://tickets.opscode.com/browse/CHEF-2649 | x_refsource_CONFIRM | |
| https://github.com/opscode/chef/commit/33f0e9c58bbf047e1b401a834f3abfe72d9a8947 | x_refsource_CONFIRMExploitPatch |
Change history (0)
No recorded changes yet.