CVE-2021-23407
Directory Traversal
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Directory Traversal
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
CVE-2021-23407- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-1807
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
EUVD-2021-1807- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mvvp-gwgc-5hrp
Path Traversal in elFinder.Net.Core
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
GHSA-mvvp-gwgc-5hrp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
CVE-2021-23407- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
CVE-2021-23407- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-mvvp-gwgc-5hrp
Path Traversal in elFinder.Net.Core
This affects the package elFinder.Net.Core from 0 and before 1.2.4. The user-controlled file name is not properly sanitized before it is used to create a file system path.
- Record
GHSA-mvvp-gwgc-5hrp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
elFinder.Net.CoreNuGet |
before 1.2.4 | 1.2.4 |
elFinder.Net.CoreNuGet |
before 1.2.4, plus listed versions 1.0.01.0.11.0.21.0.31.0.4 Show 7 moreShow less1.1.01.1.11.1.21.2.01.2.11.2.21.2.3 |
1.2.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23407 is a high vulnerability (CVSS 7.5) in Elfinder.net.core Project Elfinder.net.core, published July 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 80th percentile. Fixed in elFinder.Net.Core 1.2.4.
References
snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152
github.com/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73
nvd.nist.gov/vuln/detail/CVE-2021-23407