Input validation error in Asterisk Open Source - CVE-2025-57767
Published: August 30, 2025
Vulnerability identifier: #VU114577
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-57767
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of Authorization header. A remote attacker can send a specially crafted request to the application and perform a denial of service (DoS) attack.
Affected software
Asterisk Open Source
How to mitigate CVE-2025-57767
Install updates from vendor's website.
Asterisk Open Source - addressed in versions 20.15.2, 21.10.2, 22.5.2