CVE-2021-23407 json
Directory Traversal
published 2021-07-14 5 y ago modified 2026-07-08 4 mo ago also GHSA-mvvp-gwgc-5hrp , EUVD-2021-1807
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nuget elFinder.Net.Core 1.2.4
- n/a elFinder.Net.Core 1.2.4
Exploit prediction
2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | elFinder.Net.Core | <1.2.4 |
1.2.4 |
Affected products
- n/a elFinder.Net.Core
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/trannamtrung1st/elFinder.Net.Core/commit/5498c8a86b76ef089cfbd7ef8be014b61fa11c73
web, patch, third-party-advisory
-
snyk.io
/vuln/SNYK-DOTNET-ELFINDERNETCORE-1315152
web, exploit, patch, third-party-advisory
-
github.com
/trannamtrung1st/elFinder.Net.Core/releases/tag/all-1.2.4
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-23407
advisory
-
github.com
/trannamtrung1st/elFinder.Net.Core
package
Sources
- CVE List CVE-2021-23407
- GitHub Advisory GHSA-mvvp-gwgc-5hrp
- NVD CVE-2021-23407
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.