CVE-2025-49832 is a remote Denial of Service (DoS) and potential Remote Code Execution (RCE) vulnerability affecting Sangoma Asterisk and Certified Asterisk versions up to 18.26.2, between 20.0.0 and 20.15.0, 20.7-cert6, 21.0.0, and 22.0.0 through 22.5.0. The vulnerability, residing in asterisk/res/res_stir_shaken/verification.c, can be triggered when an attacker manipulates the Identity header or when STIR/SHAKEN verification is enabled in a SIP profile. With a CVSS score of 6.5 (Medium), this flaw has a network attack vector and low attack complexity, potentially leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 18.26.3CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
>= 20.0.0, < 20.15.1CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
>= 21.0.0, < 21.10.1CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
>= 22.0.0, < 22.5.1CPE matchmatch criteria | cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* | ||
<= 18.9CPE matchmatch criteria | cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.