CVE-2020-35776

PoC —

CVSS 3.1

6.5 medium

EPSS

4%p90

Published

Feb 18, 2021 (Feb 18, 2021)

Modified

Jun 17, 2026

Description

A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.

Vendors: digium
Products: asterisk
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.9%)

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