What’s Vulnerable › Vulnerabilities

CVE-2021-32536: MCU Technologies MCUsystem - Reflected XSS

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-18 · updated 2026-06-17
• Weakness: CWE-79

Description

The login page in the MCUsystem does not filter with special characters, which allows remote attackers can inject JavaScript without privilege and thus perform reflected XSS attacks.

Affected products

• MCU Technologies MCUsystem: 5.5

References

• https://www.twcert.org.tw/tw/cp-132-4811-4a160-1.html
• https://www.twcert.org.tw/tw/cp-132-4811-4a160-1.html

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