HIGH
An issue was discovered in Orckestra C1 CMS through 6.6
Published Dec 23, 2019
8.8
HIGHCVSS 3.1
EPSS 2.56%
Description
An issue was discovered in Orckestra C1 CMS through 6.6. The EntityTokenSerializer class in Composite.dll is prone to unvalidated deserialization of wrapped BinaryFormatter payloads, leading to arbitrary remote code execution for any low-privilege user.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.5 MEDIUM NVD
AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.56% 0.02560
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02560
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.56% (0.02560) | 84.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.88% (0.02876) | 84.95th | v5 (v2026.06.15) |
| May 13, 2025 | 2.81% (0.02812) | 85.37th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.21% (0.11214) | 92.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 30.58% (0.30576) | 94.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.21% (0.11214) | 92.97th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.55% (0.00554) | 77.79th | v3 (v2023.03.01) |
| Apr 10, 2024 | 0.55% (0.00554) | 77.24th | v3 (v2023.03.01) |
| Feb 1, 2024 | 0.55% (0.00554) | 75.24th | v3 (v2023.03.01) |
| Oct 12, 2023 | 0.41% (0.00408) | 70.86th | v3 (v2023.03.01) |
| Sep 9, 2023 | 0.36% (0.00360) | 68.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00264) | 62.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01156) | 61.37th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.16% (0.01156) | 60.36th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.36% (0.15362) | 92.49th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.99% (0.03991) | 73.89th | v1 |
| Jan 6, 2022 | 3.99% (0.03991) | 73.67th | v1 |
| Sep 1, 2021 | 0.92% (0.00918) | 60.61th | v1 |
| Apr 14, 2021 | 0.92% (0.00918) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://github.com/Orckestra/C1-CMS-Foundation/commits/dev x_refsource_MISCPatch
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Orckestra/C1-CMS-Foundation/commits/dev | x_refsource_MISCPatch |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 23, 2019
Updated Aug 5, 2024
Reserved Oct 19, 2019
Link CVE-2019-18211
CISA Vulnrichment
Updated n/a