CVE-2016-7551 describes a denial-of-service vulnerability in the chain_sip function of Asterisk Open Source (versions 11.x before 11.23.1 and 13.x before 13.11.1) and Certified Asterisk (versions 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3). This flaw allows remote attackers to cause port exhaustion, impacting the availability of the affected VoIP systems. With a CVSS v3 score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.0.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:11.0.0:*:*:*:*:*:*:* | ||
11.0.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:* | ||
11.0.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:11.0.0:beta2:*:*:*:*:*:* | ||
11.0.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:11.0.0:rc1:*:*:*:*:*:* | ||
11.0.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:11.0.0:rc2:*:*:*:*:*:* |
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.