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Vulnerability details: VCID-mmng-tcuj-wkhu
Vulnerability ID VCID-mmng-tcuj-wkhu
Aliases CVE-2018-12228
Summary An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS, if the client abruptly disconnects, or sends a specially crafted message, then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
epss 0.00422 https://api.first.org/data/v1/epss?cve=CVE-2018-12228
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-12228
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12228
Reference id Reference type URL
http://downloads.asterisk.org/pub/security/AST-2018-007.html
https://api.first.org/data/v1/epss?cve=CVE-2018-12228
https://issues.asterisk.org/jira/browse/ASTERISK-27807
http://www.securityfocus.com/bid/104457
cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*
CVE-2018-12228 https://nvd.nist.gov/vuln/detail/CVE-2018-12228
No exploits are available.
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12228
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12228
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 0.61958
EPSS Score 0.00422
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T17:53:47.242554+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.0.0