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CVE-2009-3723

25
FAUCET Score

CVE-2009-3723 describes a vulnerability in Asterisk, affecting Debian and Sangoma distributions, where the software improperly allows calls to be made on prohibited networks. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity that could lead to high integrity impacts, though confidentiality and availability are not directly affected. Despite its severity, there is no evidence of active exploitation, no known exploit code available in Metasploit, Nuclei, or ExploitDB, and it has received negligible community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.6.1, < 1.6.1.8CPE matchmatch criteria
cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 45th percentile among its peer group of 51,553 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

downloads.asterisk.org / pub/security/AST-2009-007.html
Vendor Advisory
access.redhat.com / security/cve/cve-2009-3723
Broken LinkThird Party Advisory
security-tracker.debian.org / tracker/CVE-2009-3723
Third Party Advisory