CVE-2022-39256

Orckestra C1 CMS's deserialization of untrusted data allows for arbitrary code execution.

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.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 1.27% Top 25%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: Orckestra C1-CMS-Foundation
Published at:
Updated at:

References

Link Tags
https://github.com/Orckestra/C1-CMS-Foundation/security/advisories/GHSA-gfhp-jgp6-838j third party advisory
https://github.com/Orckestra/C1-CMS-Foundation/pull/814 third party advisory patch
https://github.com/Orckestra/C1-CMS-Foundation/releases/tag/v6.13 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2022-39256?
CVE-2022-39256 has been scored as a critical severity vulnerability.
How to fix CVE-2022-39256?
To fix CVE-2022-39256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39256 being actively exploited in the wild?
It is possible that CVE-2022-39256 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39256?
CVE-2022-39256 affects Orckestra C1-CMS-Foundation.
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