CVE-2019-20786

PoC —

CVSS 3.1

9.8 critical

EPSS

3%p87

Published

Apr 19, 2020 (Apr 19, 2020)

Modified

Jun 17, 2026

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.

Vendors: pion
Products: dtls
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.0%)

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