CVE-2020-22785: Etherpad

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Etherpad < 1.8.3 is affected by a missing lock check which could cause a denial of service. Aggressively targeting random pad import endpoints with empty data would flatten all pads due to lack of rate limiting and missing ownership check.

Affected products

• Etherpad Etherpad: before 1.8.3 (fixed in 1.8.3)

Published 2021-04-28. Last modified 2026-06-17.