CVE-2020-14057

Name: CVE-2020-14057
Creator: NVD / NIST
Published: 2020-07-01T17:15:14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.58%

Last modified Jun 17, 2026

CVE-2020-14057 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Monsta FTP 2.10.1 or below allows external control of paths used in filesystem operations. This allows attackers to read and write arbitrary local files, allowing an attacker to gain remote code execution in common deployments.. EPSS estimates a 2.58% chance of exploitation in the next 30 days.

Description

Monsta FTP 2.10.1 or below allows external control of paths used in filesystem operations. This allows attackers to read and write arbitrary local files, allowing an attacker to gain remote code execution in common deployments.

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

2.58%

83.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-610

Affected Software

Vendor	Product	Versions
Monstaftp	Monsta Ftp	<= 2.10.1

References

https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20191203-01_Monsta_FTP_Arbitrary_File_Read_and_WriteThird Party Advisory
https://www.monstaftp.com/notes/Release Notes, Vendor Advisory
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20191203-01_Monsta_FTP_Arbitrary_File_Read_and_WriteThird Party Advisory
https://www.monstaftp.com/notes/Release Notes, Vendor Advisory

Timeline

Published: Jul 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14057?

How severe is CVE-2020-14057?

CVE-2020-14057 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.58% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14057?

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-2020-14057?

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

Scan your code now

Source: NVD / NIST