CVE-2020-35370: Raysync

High severity, CVSS 8.8. EPSS: 7.8% chance of exploitation in the next 30 days.

A RCE vulnerability exists in Raysync below 3.3.3.8. An unauthenticated unauthorized attacker sending a specifically crafted request to override the specific file in server with malicious content can login as "admin", then to modify specific shell file to achieve remote code execution(RCE) on the hosting server.

Affected products

• Raysync Raysync: before 3.3.3.8 (fixed in 3.3.3.8)

Published 2020-12-23. Last modified 2026-06-17.