CVE-2021-31878

PoC —

CVSS 3.1

6.5 medium

EPSS

2%p83

Published

Jul 30, 2021 (Jul 30, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.

Vendors: digium
Products: asterisk
Weakness: CWE-617
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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