CVE-2016-2316

Published: Feb 22, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-191

5.9MEDIUM

NVD MITRE

Description

chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-191

Affected Products

digium

commercial·USaka asterisk

commercial·USaka digium inc., digium

oss-project·USaka fedora project

fedoraOn-premOS

Operating Systems / linux-distro

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2016-2316?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique

Initial Access

View detailed technique mapping

References

http://downloads.asterisk.org/pub/security/AST-2016-002.html

downloads.asterisk.org

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html

lists.fedoraproject.org

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html

lists.fedoraproject.org

and 3 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2016-2316 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows