CVE-2021-41403

Name: CVE-2021-41403
Creator: NVD / NIST
Published: 2022-06-15T22:15:12.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 17.25%

Last modified Jun 17, 2026

CVE-2021-41403 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. flatCore-CMS version 2.0.8 calls dangerous functions, causing server-side request forgery vulnerabilities.. EPSS estimates a 17.25% chance of exploitation in the next 30 days.

Description

flatCore-CMS version 2.0.8 calls dangerous functions, causing server-side request forgery vulnerabilities.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

17.25%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Flatcore	Flatcore-Cms	2.0.8

References

https://github.com/flatCore/flatCore-CMS/issues/60Exploit, Patch, Third Party Advisory
https://github.com/flatCore/flatCore-CMS/issues/60Exploit, Patch, Third Party Advisory

Timeline

Published: Jun 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41403?

flatCore-CMS version 2.0.8 calls dangerous functions, causing server-side request forgery vulnerabilities.

How severe is CVE-2021-41403?

CVE-2021-41403 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 17.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41403?

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-2021-41403?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST