CVE-2013-4100: Cryptocat Project Cryptocat

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Cryptocat before 2.0.22 has Remote Denial of Service via username

Affected products

• Cryptocat Project Cryptocat: before 2.0.22 (fixed in 2.0.22)

Published 2019-11-04. Last modified 2026-06-16.