CVE-2020-11707
HIGHProVide < 13.1 - Sandbox Escape via Symlink or Junction
Title source: llmDescription
An issue was discovered in ProVide (formerly zFTPServer) through 13.1. It doesn't enforce permission over Windows Symlinks or Junctions. As a result, a low-privileged user (non-admin) can craft a Junction Link in a directory he has full control of, breaking out of the sandbox.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.provideserver.com/security/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20Junction
Scores
CVSS v3
8.8
EPSS
0.0100
EPSS Percentile
58.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-863
Status
published
Products (1)
provideserver/provide_ftp_server
< 13.1
Published
Apr 12, 2020
Tracked Since
Feb 18, 2026