CVE-2021-3745
Unrestricted Upload of File with Dangerous Type in flatcore/flatcore-cms
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unrestricted Upload of File with Dangerous Type in flatcore/flatcore-cms
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
- Record
CVE-2021-3745- CVSS 3.0
- 8.0 High
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2021-27021
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
- Record
EUVD-2021-27021- CVSS 3.0
- 8.0 High
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8mvp-5wcj-59wf No score
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
- Record
GHSA-8mvp-5wcj-59wf- Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
- Record
CVE-2021-3745- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.0 High
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
flatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous Type
- Record
CVE-2021-3745- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3745 is a high vulnerability (CVSS 8.0) in Flatcore Flatcore-cms, published October 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. No source names a fixed version.