CVE-2020-11707
HIGHCVSS 8.8/10EPSS 1.00%
Last modified
CVE-2020-11707 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in ProVide (formerly zFTPServer) through 13.1. It doesn't enforce permission over Windows Symlinks or Junctions. EPSS estimates a 1.00% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Provideserver | Provide Ftp Server | <= 13.1 |
References
- https://www.provideserver.com/security/Vendor Advisory
- https://www.provideserver.com/security/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-11707?
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.
How severe is CVE-2020-11707?
CVE-2020-11707 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11707?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-11707?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST