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No exploitation reported

CVE-2017-9372

No exploitation reported by the sources we read.

  • Published2017-06-02
  • WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.

Timeline

dates in UTC
  1. 2017-06-0214:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-9372?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-9372?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Digium open source
BranchAffectedFixed in
13.0= 13.0.0no fix published
13.1= 13.1.0no fix published
13.2= 13.2.0no fix published
13.3= 13.3.0no fix published
13.4= 13.4.0no fix published
13.5= 13.5.0no fix published
13.6= 13.6.0no fix published
13.7= 13.7.0no fix published
13.8= 13.8.0no fix published
13.8= 13.8.1no fix published
13.8= 13.8.2no fix published
13.9= 13.9.0no fix published
Digium certified asterisk
BranchAffectedFixed in
13.13= 13.13.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.07.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-119read 2026-10-23
  • FIRST EPSSEPSS score4.0 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2017-06-02
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2017-9372?

PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.

Is CVE-2017-9372 actively exploited?

Active exploitation of CVE-2017-9372 has not been confirmed. Its EPSS score was 4.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-9372?

CVE-2017-9372 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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