CVE-2021-40097
HIGHCVSS 8.8/10EPSS 2.43%
Last modified
CVE-2021-40097 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Concretecms | Concrete Cms | <= 8.5.5 |
References
- https://documentation.concretecms.org/developers/introduction/version-history/856-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1102067Permissions Required, Third Party Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/856-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1102067Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40097?
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.
How severe is CVE-2021-40097?
CVE-2021-40097 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40097?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40097?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST