CVE-2021-23427 HIGH

CVE-2021-23427: Arbitrary File Write via Archive Extraction (Zip Slip)

Vendor N/A
Product elFinder.NetCore
Published September 1, 2021
Last update September 16, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:F/RL:U/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

September 1, 2021 CVE published
September 16, 2024 Record updated