CVE-2020-11707
HIGH
8.8
CVSS Score
Published: April 12, 2020 at 02:42 AM UTC
Updated: June 17, 2026 at 02:50 AM UTC
1 product affected across 1 vendorProvide FTP Server
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Severity
HIGH8.8
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 13.1
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Sandbox%20Escape%20via%20Symlink%20or%20JunctionCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
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