What is CVE-2021-41403?

CVE-2021-41403 is a critical-severity vulnerability in Flatcore Flatcore-Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-06-15.

How severe is CVE-2021-41403?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-41403 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Flatcore Flatcore-Cms

CVE-2021-41403

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

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.176 (96.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flatcore Flatcore-cms — versions 2.0.8
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41403?: CVE-2021-41403 is a critical-severity vulnerability in Flatcore Flatcore-Cms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-06-15.
How severe is CVE-2021-41403?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-41403 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.