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CVE-2025-47780

Sangoma Asterisk command injection

7.8 HIGHPublic exploitEPSS 0.26%
  1. Published22 May 2025

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Sangoma Asterisk≥ 20.0.0 < 20.14.1 · ≥ 21.0.0 < 21.9.1 · ≥ 22.0.0 < 22.4.1 · < 18.26.2
Sangoma Certified Asterisk< 18.9 · 18.9 · 20.7

Remediation

Fixed in
Sangoma Asterisk≥ 20.14.1
Sangoma Certified Asterisk≥ 18.9

References

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Frequently asked

Is CVE-2025-47780 being actively exploited?

CVE-2025-47780 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.26%.

How severe is CVE-2025-47780?

CVE-2025-47780 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 0.26% probability of exploitation.

Which products are affected by CVE-2025-47780?

Affected products include Sangoma Asterisk, Sangoma Certified Asterisk.

How do I fix CVE-2025-47780?

Upgrade affected software to a fixed version, for example Sangoma Asterisk 20.14.1, Sangoma Certified Asterisk 18.9 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-47780 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.