CVE-2008-0095

Exp

The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition before C.1.0-beta8, AsteriskNOW before beta7, Appliance Developer Kit before Asterisk 1.4 revision 95946, and Appliance s800i 1.0.x before 1.0.3.4 allows remote attackers to cause a denial of service (daemon crash) via a BYE message with an Also (Also transfer) header, which triggers a NULL pointer dereference.

Published: 2008-01-08 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-0095 is rated High Exploit Risk (68.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 26.55%, 96th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2008-0095

EDB-ID Source Kind Published Link
30974 exploit_db edb 2008-01-02 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-0095

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 2026-03-25 26.78% 26.55% -0.22%
2 2025-10-27 31.36% 26.78% -4.58%
3 2025-03-30 31.36%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-0095

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-2008-0095

OS Trackers for CVE-2008-0095

vendor priority summary link
debian medium CVE-2008-0095 medium priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. https://security-tracker.debian.org/tracker/CVE-2008-0095
ubuntu medium CVE-2008-0095 medium priority: Ubuntu including 1 source packages (asterisk), 7 status rows across 7 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, upstream): not-affected 3, released 3, ignored 1. https://ubuntu.com/security/CVE-2008-0095

Affected software / configurations for CVE-2008-0095

Vendor Product Version Raw CPE
asterisk asterisk_appliance_developer_kit <= 1.4_revision_95945 cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
asterisk asterisk_business_edition <= c.1.0beta7 cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisknow <= beta_6 cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:*
asterisk open_source <= 1.4.16 cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk s800i <= 1.0.3.3 cpe:2.3:a:asterisk:s800i:*:*:*:*:*:*:*:*

References for CVE-2008-0095

cvelogic Threat Intelligence