CVE-2020-23040

Name: CVE-2020-23040
Creator: NVD / NIST
Published: 2021-10-22T20:15:09.973+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2020-23040 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Sky File v2.1.0 contains a directory traversal vulnerability in the FTP server which allows attackers to access sensitive data and files via 'null' path commands.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

Sky File v2.1.0 contains a directory traversal vulnerability in the FTP server which allows attackers to access sensitive data and files via 'null' path commands.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Sky File Project	Sky File	2.1.0

References

https://www.vulnerability-lab.com/get_content.php?id=2207Exploit, Third Party Advisory
https://www.vulnerability-lab.com/get_content.php?id=2207Exploit, Third Party Advisory

Timeline

Published: Oct 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23040?

Sky File v2.1.0 contains a directory traversal vulnerability in the FTP server which allows attackers to access sensitive data and files via 'null' path commands.

How severe is CVE-2020-23040?

CVE-2020-23040 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23040?

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-2020-23040?

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

Scan your code now

Source: NVD / NIST