What’s Vulnerable › Vulnerabilities

CVE-2020-9028

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-17 · updated 2026-06-17
• Weakness: CWE-79

Description

Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices allow stored XSS via the newUserName parameter on the "User Creation, Deletion and Password Maintenance" screen (when creating a new user).

Affected products

• Microchip Syncserver S100 Firmware: 2.90.70.3
• Microchip Syncserver S200 Firmware: 1.30
• Microchip Syncserver S250 Firmware: 1.25
• Microchip Syncserver S300 Firmware: 2.65.0
• Microchip Syncserver S350 Firmware: 2.80.1

References

• https://sku11army.blogspot.com/2020/01/symmetricom-syncserver_95.html
• https://sku11army.blogspot.com/2020/01/symmetricom-syncserver_95.html

Get alerted when CVE-2020-9028 or the next vulnerability affects your stack