CVE-2007-4280

The Skinny channel driver (chan_skinny) in Asterisk Open Source before 1.4.10, AsteriskNOW before beta7, Appliance Developer Kit before 0.7.0, and Appliance s800i before 1.0.3 allows remote authenticated users to cause a denial of service (application crash) via a CAPABILITIES_RES_MESSAGE packet with a capabilities count larger than the capabilities_res_message array population.

Published: 2007-08-09 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4280 is rated Moderate Risk (45.4/100): CVSS Low severity, with medium exploitation likelihood (EPSS 3.55%). 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-2007-4280

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 2026-05-20 2.90% 3.55% +0.65%
2 2026-03-28 2.82% 2.90% +0.08%
3 2025-03-30 — 2.82% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4280

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2007-4280

OS Trackers for CVE-2007-4280

vendor priority summary link
debian not yet assigned CVE-2007-4280 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-2007-4280
ubuntu medium CVE-2007-4280 medium priority: Ubuntu including 1 source packages (asterisk), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, ignored 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-4280

Affected software / configurations for CVE-2007-4280

Vendor Product Version Raw CPE
asterisk asterisk <= 1.4.9 cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk_appliance_developer_kit <= 0.6.0 cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
asterisk asterisknow <= beta_6 cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:*
asterisk s800i <= 1.0.2 cpe:2.3:a:asterisk:s800i:*:*:*:*:*:*:*:*

References for CVE-2007-4280

cvelogic Threat Intelligence