CVE-2007-3765

The STUN implementation in Asterisk 1.4.x before 1.4.8, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted STUN length attribute in a STUN packet sent on an RTP port.

Published: 2007-07-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-3765 is rated Moderate Risk (46.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.69%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-3765

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.86% 1.69% +0.83%
2 2026-03-06 0.84% 0.86% +0.02%
3 2025-03-30 — 0.84% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3765

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-3765

OS Trackers for CVE-2007-3765

vendor priority summary link
debian not yet assigned CVE-2007-3765 not yet assigned priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. https://security-tracker.debian.org/tracker/CVE-2007-3765
ubuntu medium CVE-2007-3765 medium priority: Ubuntu including 1 source packages (asterisk), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 3, released 2. https://ubuntu.com/security/CVE-2007-3765

Affected software / configurations for CVE-2007-3765

Vendor Product Version Raw CPE
asterisk asterisk 1.0 cpe:2.3:a:asterisk:asterisk:1.0:*:*:*:*:*:*:*
asterisk asterisk 1.0.6 cpe:2.3:a:asterisk:asterisk:1.0.6:*:*:*:*:*:*:*
asterisk asterisk 1.0.7 cpe:2.3:a:asterisk:asterisk:1.0.7:*:*:*:*:*:*:*
asterisk asterisk 1.0.8 cpe:2.3:a:asterisk:asterisk:1.0.8:*:*:*:*:*:*:*
asterisk asterisk 1.0.9 cpe:2.3:a:asterisk:asterisk:1.0.9:*:*:*:*:*:*:*
asterisk asterisk 1.0.10 cpe:2.3:a:asterisk:asterisk:1.0.10:*:*:*:*:*:*:*
asterisk asterisk 1.0.11 cpe:2.3:a:asterisk:asterisk:1.0.11:*:*:*:*:*:*:*
asterisk asterisk 1.0.12 cpe:2.3:a:asterisk:asterisk:1.0.12:*:*:*:*:*:*:*
asterisk asterisk 1.2.0_beta1 cpe:2.3:a:asterisk:asterisk:1.2.0_beta1:*:*:*:*:*:*:*
asterisk asterisk 1.2.0_beta2 cpe:2.3:a:asterisk:asterisk:1.2.0_beta2:*:*:*:*:*:*:*
asterisk asterisk 1.2.5 cpe:2.3:a:asterisk:asterisk:1.2.5:*:*:*:*:*:*:*
asterisk asterisk 1.2.6 cpe:2.3:a:asterisk:asterisk:1.2.6:*:*:*:*:*:*:*
asterisk asterisk 1.2.7 cpe:2.3:a:asterisk:asterisk:1.2.7:*:*:*:*:*:*:*
asterisk asterisk 1.2.8 cpe:2.3:a:asterisk:asterisk:1.2.8:*:*:*:*:*:*:*
asterisk asterisk 1.2.9 cpe:2.3:a:asterisk:asterisk:1.2.9:*:*:*:*:*:*:*
asterisk asterisk 1.2.10 cpe:2.3:a:asterisk:asterisk:1.2.10:*:*:*:*:*:*:*
asterisk asterisk 1.2.11 cpe:2.3:a:asterisk:asterisk:1.2.11:*:*:*:*:*:*:*
asterisk asterisk 1.2.12 cpe:2.3:a:asterisk:asterisk:1.2.12:*:*:*:*:*:*:*
asterisk asterisk 1.2.13 cpe:2.3:a:asterisk:asterisk:1.2.13:*:*:*:*:*:*:*
asterisk asterisk 1.2.14 cpe:2.3:a:asterisk:asterisk:1.2.14:*:*:*:*:*:*:*
asterisk asterisk 1.2.15 cpe:2.3:a:asterisk:asterisk:1.2.15:*:*:*:*:*:*:*
asterisk asterisk 1.2.16 cpe:2.3:a:asterisk:asterisk:1.2.16:*:*:*:*:*:*:*
asterisk asterisk 1.2.17 cpe:2.3:a:asterisk:asterisk:1.2.17:*:*:*:*:*:*:*
asterisk asterisk 1.4.1 cpe:2.3:a:asterisk:asterisk:1.4.1:*:*:*:*:*:*:*
asterisk asterisk 1.4.2 cpe:2.3:a:asterisk:asterisk:1.4.2:*:*:*:*:*:*:*
asterisk asterisk 1.4.4_2007-04-27 cpe:2.3:a:asterisk:asterisk:1.4.4_2007-04-27:*:*:*:*:*:*:*
asterisk asterisk 1.4_beta cpe:2.3:a:asterisk:asterisk:1.4_beta:*:*:*:*:*:*:*
asterisk asterisk a cpe:2.3:a:asterisk:asterisk:a:*:business:*:*:*:*:*
asterisk asterisk b.1.3.2 cpe:2.3:a:asterisk:asterisk:b.1.3.2:*:business:*:*:*:*:*
asterisk asterisk b.1.3.3 cpe:2.3:a:asterisk:asterisk:b.1.3.3:*:business:*:*:*:*:*
asterisk asterisk b.2.2.0 cpe:2.3:a:asterisk:asterisk:b.2.2.0:*:business:*:*:*:*:*
asterisk asterisk_appliance_developer_kit <= 0.4 cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
asterisk asterisknow beta_5 cpe:2.3:a:asterisk:asterisknow:beta_5:*:*:*:*:*:*:*
asterisk asterisknow beta_6 cpe:2.3:a:asterisk:asterisknow:beta_6:*:*:*:*:*:*:*
asterisk s800i_appliance 1.0 cpe:2.3:h:asterisk:s800i_appliance:1.0:*:*:*:*:*:*:*
asterisk s800i_appliance 1.0.1 cpe:2.3:h:asterisk:s800i_appliance:1.0.1:*:*:*:*:*:*:*

References for CVE-2007-3765

cvelogic Threat Intelligence