CVE-2022-39256
Orckestra C1 CMS's deserialization of untrusted data allows for arbitrary code execution.
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
Orckestra C1 CMS is a .NET based Web Content Management System. A vulnerability in versions prior to 6.13 allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS. Authentication is required to exploit this vulnerability. The authenticated user may perform the actions unknowingly by visiting a specially crafted site. This issue is patched in C1 CMS v6.13. There are no known workarounds.
Timeline
ID reserved
By GitHub_M
- 25 days later
· 25 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Critical9.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Weakness
Affected products
- affected < 6.13
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetCompositeC1.CoreGHSA-gfhp-jgp6-838j (opens in a new tab)
References (3)
- https://github.com/Orckestra/C1-CMS-Foundation/security/advisories/GHSA-gfhp-jgp6-838j (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/Orckestra/C1-CMS-Foundation/pull/814 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/Orckestra/C1-CMS-Foundation/releases/tag/v6.13 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-gfhp-jgp6-838j (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-39256)Record last updated .