CVE-2025-47780

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
asterisk	asterisk	< 18.9-cert14; >= 18.10, < 18.26.2; >= 20.0, < 20.7-cert5; >= 20.8, < 20.14.1; >= 21.0, < 21.9.1; >= 22.0, < 22.4.1

References

Timeline

Published: May 22, 2025
Last modified: Jun 17, 2026
NVD status: Modified

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