CVE-2021-43555
7.3 · HIGHOverview
CVE-2021-43555 is a high-severity vulnerability affecting myscada mydesigner. It was published on November 19, 2021 and has a CVSS 3.1 base score of 7.3 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
mySCADA myDESIGNER Versions 8.20.0 and prior fails to properly validate contents of an imported project file, which may make the product vulnerable to a path traversal payload. This vulnerability may allow an attacker to plant files on the file system in arbitrary locations or overwrite existing files, resulting in remote code execution.
Remediation
Check the references section for vendor advisories and patches from myscada. Update mydesigner to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| myscada | mydesigner | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-43555?
CVE-2021-43555 is a high-severity vulnerability affecting myscada mydesigner. It was published on November 19, 2021 and has a CVSS 3.1 base score of 7.3 (HIGH).
How severe is CVE-2021-43555?
This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-43555?
Check the references section for vendor advisories and patches from myscada. Update mydesigner to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-43555?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43555 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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