CVE-2020-5196

Name: CVE-2020-5196
Creator: NVD / NIST
Published: 2020-01-14T14:15:11.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2020-5196 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows an authenticated attacker to create files, display hidden files, list directories, and list files without the permission to zip and download (or unzip and upload) files. There are multiple ways to bypass certain permissions by utilizing the zip and unzip features. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows an authenticated attacker to create files, display hidden files, list directories, and list files without the permission to zip and download (or unzip and upload) files. There are multiple ways to bypass certain permissions by utilizing the zip and unzip features. As a result, users without permission can see files, folders, and hidden files, and can create directories without permission.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.20%

64.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Cerberusftp	Ftp Server	>= 10.0.0, < 10.0.18
Cerberusftp	Ftp Server	>= 11.0.0, < 11.0.3

References

https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/Vendor Advisory
https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesExploit, Third Party Advisory
https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
https://www.cerberusftp.com/zip-unzip-permission-bypass-vulnerability-fixed-in-cerberus-ftp-server-versions-11-0-3-and-10-0-18/Vendor 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-2020-5196?

How severe is CVE-2020-5196?

CVE-2020-5196 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5196?

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-2020-5196?

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

Scan your code now

Source: NVD / NIST