CVE-2021-22720: Schneider Electric C-Bus Toolkit PROJECT RESTORE Directory Traversal Information Disclosure Vulnerability
First published: Tue Apr 13 2021(Updated: )
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.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric C-bus Toolkit | <=1.15.7 | |
| Schneider Electric C-Bus Toolkit | ||
| Schneider Electric C-Bus Toolkit v1.15.7 and prior |
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Reference Links
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01
- https://www.tenable.com/security/research/tra-2021-50
- https://www.zerodayinitiative.com/advisories/ZDI-21-450/
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-105-01 (Advisory)
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01
- https://us-cert.cisa.gov/ics/advisories/icsa-21-105-01
Frequently Asked Questions
What is CVE-2021-22720?
CVE-2021-22720 is a vulnerability in Schneider Electric C-Bus Toolkit that allows remote attackers to disclose sensitive information.
How can this vulnerability be exploited?
This vulnerability can be exploited by bypassing the existing authentication mechanism to remotely disclose sensitive information.
What is the severity of CVE-2021-22720?
CVE-2021-22720 has a severity rating of 7.2 (high).
Which software versions are affected by CVE-2021-22720?
Schneider Electric C-Bus Toolkit versions up to and including 1.15.7 are affected by CVE-2021-22720.
How can I fix CVE-2021-22720?
To mitigate this vulnerability, update Schneider Electric C-Bus Toolkit to a version that is not affected by CVE-2021-22720.
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