CVE-2011-2666 describes an information disclosure vulnerability in the default configuration of the SIP channel driver in Asterisk Open Source versions 1.4.x and 1.6.2.x. This flaw allows remote, unauthenticated attackers to enumerate valid account names by observing differing responses to invalid SIP requests. The vulnerability has a CVSS score of 5.0, indicating a medium severity with a network attack vector and low attack complexity, potentially leading to unauthorized information disclosure (C:P). There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.6.2.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:* | ||
1.6.2.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:* | ||
1.6.2.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.2.0:rc3:*:*:*:*:*:* | ||
1.6.2.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.2.0:rc4:*:*:*:*:*:* | ||
1.6.2.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:1.6.2.0:rc5:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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.
Remediation records are not available for this CVE.