Skip to content

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

Critical severity GitHub Reviewed Published Sep 27, 2022 in Orckestra/C1-CMS-Foundation • Updated Apr 3, 2023

Package

nuget CompositeC1.Core (NuGet)

Affected versions

< 6.13

Patched versions

6.13

Description

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 GmbH.

References

@napernik napernik published to Orckestra/C1-CMS-Foundation Sep 27, 2022
Published by the National Vulnerability Database Sep 27, 2022
Published to the GitHub Advisory Database Sep 30, 2022
Reviewed Sep 30, 2022
Last updated Apr 3, 2023

Severity

Critical
9.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2022-39256

GHSA ID

GHSA-gfhp-jgp6-838j

Source code

Credits

Checking history
See something to contribute? Suggest improvements for this vulnerability.