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Vulnerability details: VCID-ay1n-kp3k-37db
Vulnerability ID VCID-ay1n-kp3k-37db
Aliases CVE-2014-8415
Summary Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a cancel request for a SIP session with a queued action to (1) answer a session or (2) send ringing.
Status Published
Exploitability 0.5
Weighted Severity 4.5
Risk 2.2
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
epss 0.0091 https://api.first.org/data/v1/epss?cve=CVE-2014-8415
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2014-8415
Reference id Reference type URL
http://downloads.asterisk.org/pub/security/AST-2014-015.html
https://api.first.org/data/v1/epss?cve=CVE-2014-8415
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8415
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:*:*:*:*:*:*:*:*
CVE-2014-8415 https://nvd.nist.gov/vuln/detail/CVE-2014-8415
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2014-8415
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.75753
EPSS Score 0.0091
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:31:33.048402+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0