CVE-2020-11707

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20JunctionExploit, Third Party Advisory
https://www.provideserver.com/security/Vendor Advisory
https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20JunctionExploit, Third Party Advisory
https://www.provideserver.com/security/Vendor Advisory

Timeline

Published: Apr 12, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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