PT-2021-15504 · Unknown · Elfinder.Aspnet

Timo Mueller · Published 2021-07-28 · Updated 2021-08-09 · CVE-2021-23415

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions elFinder.AspNet versions prior to 1.1.1

Description The issue arises from the improper sanitization of user-controlled file names before they are used to create file system paths. This lack of sanitization can lead to potential security issues.

Recommendations For versions prior to 1.1.1, update to version 1.1.1 or later to resolve the issue. As a temporary workaround, consider implementing additional sanitization measures for user-controlled file names to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-23415

GHSA-PJXV-W3QJ-J8M3

SNYK-DOTNET-ELFINDERASPNET-1315153

Affected Products

Elfinder.Aspnet

References · 7

• 🔥 https://snyk.io/vuln/SNYK-DOTNET-ELFINDERASPNET-1315153 · Exploit
• https://github.com/mguinness/elFinder.AspNet/commit/675049b39284a9e84f0915c71d688da8ebc7d720 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-23415 · Security Note
• https://osv.dev/vulnerability/GHSA-pjxv-w3qj-j8m3 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-23415 · Vendor Advisory
• https://github.com/mguinness/elFinder.AspNet · Note
• https://t.me/cibsecurity/26557 · Telegram Post