VULNERABILITY INTELLIGENCE

CVE-2019-20786

CVSS score9.8 CRITICAL
EPSS probability3.01%
CISA KEVNot currently listed
Published2020-04-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.

Weakness classification

  • CWE-287: Improper Authentication

Primary references