Vulnerability Details : CVE-2021-23427
Potential exploit
This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.
Vulnerability category: Directory traversal
Products affected by CVE-2021-23427
- cpe:2.3:a:elfinder.netcore_project:elfinder.netcore:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23427
0.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23427
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
8.6
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
3.9
|
4.7
|
Snyk |
CWE ids for CVE-2021-23427
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-23427
-
https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778
Arbitrary File Write via Archive Extraction (Zip Slip) in elfinder.netcore | SnykExploit;Third Party Advisory
-
https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226
Page not found · GitHub · GitHubBroken Link
Jump to