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TI-2019-13230 Aliases CVE-2019-18211GHSA-76qf-3cvm-8qwq

An issue was discovered in Orckestra C1 CMS through 6.6.

Priority MEDIUM 43CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.0256 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:orckestra:c1_cms:*:*:*:*:*:*:*:*up to 6.6VulnerableOrckestra
  • cpe:2.3:a:orckestra:c1_cms:*:*:*:*:*:*:*:* Versions up to 6.6 Vulnerable ·Orckestra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18211
  2. 2026-10-03 Alias added: GHSA-76qf-3cvm-8qwq

References

Patch 1

  • TI-2021-13979 Deserialization of untrusted data in Orckestra C1 CMS CVSS 3.1HIGH 8.8
  • TI-2022-18632 Orckestra C1 CMS's deserialization of untrusted data allows for arbitrary code execution. CVSS 3.1CRITICAL 9.0
  • TI-2022-08602 Deserialization of untrusted data in C1 CMS. CVSS 3.1HIGH 7.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences