CVE-2026-23738

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using aststrappend. The...

EUVD-2026-5645

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using aststrappend. The...

Asterisk SIP Phishing

The vulnerability of the SIP protocol implementation in Asterisk IP telephony systems is related to improper neutralization of separators. Exploiting this vulnerability allows a malicious actor to perform phishing attacks remotely...

CVE-2024-35190 Asterisk' res_pjsip_endpoint_identifier_ip: wrongly matches ALL unauthorized SIP requests

Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1...

Asterisk IP telephony management system SSL socket layer DoS

The vulnerability of the SSL socket layer of the Asterisk IP telephony management system, where the SIP protocol PJSIP is implemented, is related to the simultaneous execution using a shared resource with incorrect synchronization. Exploiting this vulnerability allows an attacker who operates...

Vicidial 安全漏洞

Vicidial is a software suite from Vicidial, Inc. designed to interact with the Asterisk open source Pbx telephony system as a complete inbound/outbound contact center suite with inbound email support. Vicidial suffers from a cross-site scripting vulnerability that stems from the discovery of a...