CVE-2020-11705

Name: CVE-2020-11705
Creator: NVD / NIST
Published: 2020-04-12T03:15:11.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2020-11705 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/ImportCertificate allows an attacker to load an arbitrary certificate in .pfx format or overwrite arbitrary files via the fileName parameter.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/ImportCertificate allows an attacker to load an arbitrary certificate in .pfx format or overwrite arbitrary files via the fileName parameter.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Provideserver	Provide Ftp Server	<= 13.1

References

https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Web%20Admin%20Interface%20-%20Authenticated%20Arbitrary%20File%20OverwriteExploit, Third Party Advisory
https://www.provideserver.com/security/Vendor Advisory
https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Web%20Admin%20Interface%20-%20Authenticated%20Arbitrary%20File%20OverwriteExploit, Third Party Advisory
https://www.provideserver.com/security/Vendor Advisory

Timeline

Published: Apr 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11705?

How severe is CVE-2020-11705?

CVE-2020-11705 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11705?

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-2020-11705?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST