CVE-2020-5194

Name: CVE-2020-5194
Creator: NVD / NIST
Published: 2020-01-14T14:15:11.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2020-5194 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The zip API endpoint in Cerberus FTP Server 8 allows an authenticated attacker without zip permission to use the zip functionality via an unrestricted API endpoint. Improper permission verification occurs when calling the file/ajax_download_zip/zip_name endpoint. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

The zip API endpoint in Cerberus FTP Server 8 allows an authenticated attacker without zip permission to use the zip functionality via an unrestricted API endpoint. Improper permission verification occurs when calling the file/ajax_download_zip/zip_name endpoint. The result is that a user without permissions can zip and download files even if they do not have permission to view whether the file exists.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.68%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Cerberusftp	Ftp Server	8.0

References

https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsVendor Advisory
https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesExploit, Third Party Advisory
https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsVendor Advisory
https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesExploit, Third Party Advisory

Timeline

Published: Jan 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5194?

How severe is CVE-2020-5194?

CVE-2020-5194 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5194?

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-2020-5194?

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

Scan your code now

Source: NVD / NIST