Deserialization in Orckestra C1 Cms
CVE-2022-39256
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.
Vulnerability class: Insecure Deserialization
EPSS: 0.013 (67.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Orckestra C1_cms
- Orckestra C1-cms-foundation — versions < 6.13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2022-39256?
- CVE-2022-39256 is a critical-severity vulnerability in Orckestra C1 Cms, classified under Deserialization of Untrusted Data. CVSS score: 9.0/10. Published 2022-09-27.
- How severe is CVE-2022-39256?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2022-39256 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.