CVE-2019-20498: cPanel

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

cPanel before 82.0.18 allows WebDAV authentication bypass because the connection-sharing logic is incorrect (SEC-534).

Affected products

• cPanel cPanel: from 77.9999.110, before 78.0.43 (fixed in 78.0.43); from 81.9999.242, before 82.0.18 (fixed in 82.0.18); from 83.9999.115, before 84.0.10 (fixed in 84.0.10)

Published 2020-03-17. Last modified 2026-06-17.