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Vulnerability details: VCID-aqsw-2ae2-9ybj
Vulnerability ID VCID-aqsw-2ae2-9ybj
Aliases CVE-2019-12827
Summary Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
http://downloads.digium.com/pub/security/AST-2019-002.html
https://api.first.org/data/v1/epss?cve=CVE-2019-12827
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12827
https://issues.asterisk.org/jira/browse/ASTERISK-28447
931980 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931980
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:certified_asterisk:13.21:cert1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*
CVE-2019-12827 https://nvd.nist.gov/vuln/detail/CVE-2019-12827
No exploits are available.
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12827
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-2019-12827
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 0.95167
EPSS Score 0.19587
Published At Aug. 5, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:00.505861+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.19/main.json 37.0.0