Unknown · Concrete Cms · CVE-2021-40097
**Name of the Vulnerable Software and Affected Versions**
Concrete CMS versions through 8.5.5
**Description**
An issue was discovered that leads to authenticated path traversal, resulting in remote code execution via uploaded PHP code. This issue is related to the `bFilename` parameter.
**Recommendations**
For versions through 8.5.5, consider restricting access to uploaded PHP code to minimize the risk of exploitation. As a temporary workaround, avoid using the `bFilename` parameter in affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.