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    CVE-2025-47780

    Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface (CLI) by configuring `cli_permissions.conf` (e.g. with the config line `deny=!*`) does not work which could lead to a security risk. If an administrator running an Asterisk instance relies on the `cli_permissions.conf` file to work and expects it to deny all attempts to execute shell commands, then this could lead to a security vulnerability. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.

    Published:May 22, 2025
    Last Modified:Nov 3, 2025
    EPS:May 22, 2025
    EPSS Score:0.00077
    CVSS Score:7.8

    Affected Products

    Vendor
    Asterisk
    Product
    Asterisk
    Vendor
    Asterisk
    Product
    Certified Asterisk
    Vendor
    Sangoma
    Product
    Asterisk
    Vendor
    Sangoma
    Product
    Certified Asterisk

    Exploits

    https://github.com/asterisk/asterisk/security/advisories/GHSA-c7p6-7mvq-8jq2

    Related CVEs

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    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-2025-47779 (CVSS 7.7) — 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