Is CVE-2021-3745 in the CISA KEV catalog?

No. CVE-2021-3745 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3745?

CVE-2021-3745 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2021-3745?

CVE-2021-3745 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3745?

Upgrade flatcore-cms to 2.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-3745

MEDIUM

6.6

CVSS v3

NVD

Description

flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type

CWE-434Unrestricted File Upload

How to fix

Remediation Available

flatcore-cmsNVD

Affected:< 2.1.0Fixed in:2.1.0CVE-2021-3745derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

Embed a live status badge for CVE-2021-3745

Markdown

[![CVE-2021-3745](https://tridentstack.com/cve/badge/CVE-2021-3745.svg)](https://tridentstack.com/cve/CVE-2021-3745)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-3745"><img src="https://tridentstack.com/cve/badge/CVE-2021-3745.svg" alt="CVE-2021-3745"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.