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    CVE-2024-35190

    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.

    Published:May 17, 2024
    Last Modified:Aug 26, 2025
    EPS:May 17, 2024
    EPSS Score:0.0018
    CVSS Score:5.8

    Affected Products

    Vendor
    Asterisk
    Product
    Asterisk
    Vendor
    Sangoma
    Product
    Asterisk

    Exploits

    https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-90 Reflection Attack in Authentication Protocol

    Related CVEs

    CVE-2026-23741 (CVSS 0) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23740 (CVSS 0) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23739 (CVSS 2) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23738 (CVSS 3.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2025-69205 (CVSS 6.3) — Micro Registration Utility (µURU) is a telephone self registration utility based on asterisk. In versions up t…
    CVE-2025-1131 (CVSS 7) — A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolk…
    CVE-2025-57767 (CVSS 7.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, …
    CVE-2025-54995 (CVSS 6.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-c…
    CVE-2025-49832 (CVSS 6.5) — Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.2…
    CVE-2025-47780 (CVSS 4.8) — Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High