Headline
CVE-2022-39256: Release C1 CMS 6.13 · Orckestra/C1-CMS-Foundation
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.
Download
Download C1 CMS 6.13
What’s new in C1 CMS 6.13?
This release includes a critical security fix.
Critical security fix
We have performed a critical security fix for a Remote Code Execution vulnerability, where a C1 Console user (with any access level) can complete a remote code execution attack on the website. See the security advisory for details.
Free automated upgrade
To best protect you, Orckestra is providing free, immediate, and direct access to our automated upgrade feature – any C1 installation from C1 version 5.0 and later can now be upgraded to this release, free of charge.
Related news
### Impact This vulnerability 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. ### Patches Patched in C1 CMS v6.13 ### Workarounds Upgrade to C1 CMS v6.13 or newer is required ### Credit This issue was discovered and reported by Markus Wulftange / [Code White Research](https://code-white.com/en/).