CVE-2025-57767 is a high-severity vulnerability affecting Sangoma Asterisk versions prior to 20.15.2, 21.10.2, and 22.5.2. The vulnerability, a NULL pointer dereference (CWE-253), occurs when processing SIP requests with malformed Authorization headers, leading to a denial of service (SEGV). With a CVSS score of 7.5, it can be exploited remotely with low attack complexity, requiring no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 20.15.2CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
>= 21.0.0, < 21.10.2CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
>= 22.0.0, < 22.5.2CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.