CVE-2017-17850 is a denial-of-service vulnerability affecting specific versions of Digium Asterisk and Certified Asterisk. The flaw allows an unauthenticated attacker to crash the Asterisk server by sending specially crafted SIP messages lacking a contact header when using the PJSIP channel driver. This vulnerability carries a high severity CVSS score of 7.5, indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 13.0.0, <= 13.18.4CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 14.0.0, <= 14.7.4CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 15.0.0, <= 15.1.4CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
13.1.0CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.1.0:*:*:*:*:*:*:* | ||
13.1.0CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:13.1.0:rc1:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/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, 0.1 Mastodon, and 0.4 GitHub mentions.
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.
Remediation records are not available for this CVE.