CVE-2021-22764
5.3 · MEDIUMOverview
CVE-2021-22764 is a medium-severity vulnerability affecting schneider-electric powerlogic_pm5560_firmware. It was published on June 11, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update powerlogic_pm5560_firmware 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 |
|---|---|---|---|
| schneider-electric | powerlogic_pm5560_firmware | >= 0, < 2.7.8 | Affected |
| schneider-electric | powerlogic_pm5561_firmware | >= 0, < 10.7.3 | Affected |
| schneider-electric | powerlogic_pm5562_firmware | 0 | Affected |
| schneider-electric | powerlogic_pm5563_firmware | >= 0, < 2.7.8 | Affected |
Frequently Asked Questions
What is CVE-2021-22764?
CVE-2021-22764 is a medium-severity vulnerability affecting schneider-electric powerlogic_pm5560_firmware. It was published on June 11, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2021-22764?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-22764?
Check the references section for vendor advisories and patches from schneider-electric. Update powerlogic_pm5560_firmware 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-2021-22764?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22764 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.
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