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Vulnerability details: VCID-ny7d-81cg-aaah
Vulnerability ID VCID-ny7d-81cg-aaah
Aliases CVE-2007-4103
Summary The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when configured to allow unauthenticated calls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of calls that do not complete a 3-way handshake, which causes an ast_channel to be allocated but not released.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-772 Missing Release of Resource after Effective Lifetime
System Score Found at
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.0281 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.03328 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.14256 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.24144 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.28801 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.28801 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
epss 0.28801 https://api.first.org/data/v1/epss?cve=CVE-2007-4103
cvssv2 7.8 https://nvd.nist.gov/vuln/detail/CVE-2007-4103
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2007-4103
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2007-4103
Reference id Reference type URL
http://bugs.gentoo.org/show_bug.cgi?id=185713
http://ftp.digium.com/pub/asa/ASA-2007-018.pdf
http://osvdb.org/38197
https://api.first.org/data/v1/epss?cve=CVE-2007-4103
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4103
http://secunia.com/advisories/26274
http://secunia.com/advisories/29051
http://security.gentoo.org/glsa/glsa-200802-11.xml
http://securityreason.com/securityalert/2960
http://www.securityfocus.com/archive/1/475069/100/0/threaded
http://www.securityfocus.com/bid/24950
http://www.securitytracker.com/id?1018472
http://www.vupen.com/english/advisories/2007/2701
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.2.20:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.2.20:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.2.21:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.2.21:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.2.21.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.2.21.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.2.22:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.2.22:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.7.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:1.4.8:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk_appliance_developer_kit:0.5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk_appliance_developer_kit:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisknow_pre-release:beta6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisknow_pre-release:beta6:*:*:*:*:*:*:*
CVE-2007-4103 https://nvd.nist.gov/vuln/detail/CVE-2007-4103
GLSA-200802-11 https://security.gentoo.org/glsa/200802-11
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2007-4103
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2007-4103
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2007-4103
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.85407
EPSS Score 0.0281
Published At May 19, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.