CVE-2019-18790 is a medium-severity vulnerability affecting Sangoma Asterisk 13.x, 16.x, and 17.x, and Certified Asterisk 13.21, where a malicious SIP request can alter a SIP peer's IP address, leading to call hijacking without requiring authentication. This issue is exploitable when the 'nat' option is set to default or 'auto_force_rport'. The vulnerability has a CVSS score of 6.5, indicating a network-based attack with low complexity, no user interaction, and potential for limited confidentiality and integrity 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 |
|---|---|---|---|
>= 13.0.0, < 13.29.2CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 16.0.0, < 16.6.2CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 17.0.0, < 17.0.1CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
13.21.0CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.21.0:*:*:*:*:*:*:* | ||
13.21.0CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.21.0:cert1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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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.
Remediation records are not available for this CVE.