CVE-2021-22720

Name: CVE-2021-22720
Creator: NVD / NIST
Published: 2021-04-13T19:15:14.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 30.53%

Last modified Jun 17, 2026

CVE-2021-22720 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when restoring a project.. EPSS estimates a 30.53% chance of exploitation in the next 30 days.

Description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when restoring a project.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

30.53%

98.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Schneider-Electric	C-Bus Toolkit	<= 1.15.7

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01Vendor Advisory
https://www.tenable.com/security/research/tra-2021-50Exploit, Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-450/Third Party Advisory, VDB Entry
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01Vendor Advisory
https://www.tenable.com/security/research/tra-2021-50Exploit, Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-450/Third Party Advisory, VDB Entry

Timeline

Published: Apr 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22720?

How severe is CVE-2021-22720?

CVE-2021-22720 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 30.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22720?

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-2021-22720?

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

Scan your code now

Source: NVD / NIST