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Vulnerability details: VCID-kyrk-e2dj-67fr
Vulnerability ID VCID-kyrk-e2dj-67fr
Aliases CVE-2019-15297
Summary res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
epss 0.0114 https://api.first.org/data/v1/epss?cve=CVE-2019-15297
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2019-15297
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2019-15297
Reference id Reference type URL
http://downloads.asterisk.org/pub/security/AST-2019-004.html
http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
https://api.first.org/data/v1/epss?cve=CVE-2019-15297
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15297
http://seclists.org/fulldisclosure/2021/Mar/5
940060 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=940060
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-2019-15297 https://nvd.nist.gov/vuln/detail/CVE-2019-15297
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-2019-15297
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:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-15297
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 0.77528
EPSS Score 0.0114
Published At July 31, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:16.990855+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.21/main.json 37.0.0