Vulnerability · Published Sep 1, 2021 · Assigned by snyk
CVE-2021-23427Arbitrary File Write via Archive Extraction (Zip Slip)
High 8.6
In plain English
A high-severity security flaw in elFinder.NetCore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)1.4%top 26.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | elfinder.netcore | no fix listed | GHSA-wmpm-fq7r-jq56 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | elFinder.NetCore | 0 – before unspecified |