CVE-2025-49832
Published: Aug 1, 2025
Modified: Aug 1, 2025
CVSS v3.1
6.5
Description
Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1.
| Vendor | Product | Versions |
|---|---|---|
asterisk | asterisk | affected < 18.26.3affected >= 20.00.0, < 20.15.1affected >= 21.00.0, < 21.10.1affected >= 22.00.0, < 22.5.1affected >= 20.7-cert6, < 20.7-cert7 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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