CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2020-11707
High (8.8) in provideserver provide ftp server. EPSS 1.0% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- provideserver:provide_ftp_server
References
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20Junction
- https://www.provideserver.com/security/
- https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20Junction
- https://www.provideserver.com/security/