CVE-2021-40097

Description

An issue was discovered in Concrete CMS through 8.5.5. Authenticated path traversal leads to to remote code execution via uploaded PHP code, related to the bFilename parameter.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.12% Top 15%
Vendor Advisory concretecms.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1102067 third party advisory permissions required
https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40097?
CVE-2021-40097 has been scored as a high severity vulnerability.
How to fix CVE-2021-40097?
To fix CVE-2021-40097, 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-2021-40097 being actively exploited in the wild?
It is possible that CVE-2021-40097 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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