by Kastro
Paper/Archive/CVE-2021-23427

CVE-2021-23427

snyk — Arbitrary File Write via Archive Extraction (Zip Slip)

EPSS 1%CVSS 9.8
critical.is priorityof 100
44
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 73.0.730 × 2014.6No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.

Affected

ProductAffectedFixed inSource
elFinder.NetCore< unspecifiedunspecifiedCNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
snyk (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:F/RL:U/RC:C

References

refsnyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778refgithub.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226