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Kamailio CVE-2015-1590

HIGH
Permissions, Privileges, and Access Controls (CWE-264)
2017-09-07 cve@mitre.org
7.8
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V8 - Authorization Permission and access control
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.08%.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAI

The kamcmd administrative utility and default configuration in kamailio before 4.3.0 use /tmp/kamailio_ctl. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-264. The kamcmd administrative utility and default configuration in kamailio before 4.3.0 use /tmp/kamailio_ctl. Affected products include: Kamailio. Version information: before 4.3.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

The kamcmd administrative utility and default configuration in kamailio before 4.3.0 use /tmp/kamailio_ctl.

Threat Intelligence Overview

EPSS Score
0.1%
Top 75% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)CVE.org

cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
CVE-2016-2385 CRITICAL POC
9.8 Apr 11

Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER a

CVE-2018-16657 CRITICAL POC
9.8 Sep 07

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with an invalid Via header causes a segmentation

CVE-2018-14767 CRITICAL POC
9.8 Jul 31

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with a double "To" header and an empty "To" tag c

CVE-2013-7426 CRITICAL
9.8 Aug 29

Insecure Temporary file vulnerability in /tmp/kamailio_fifo in kamailio 4.0.1. Rated critical severity (CVSS 9.8), this

CVE-2018-8828 CRITICAL
9.8 Mar 20

A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. Rated criti

CVE-2026-93962 MEDIUM POC
5.5 Sep 20

Heap-based buffer overflow in Kamailio's CDP (C Diameter Peer) module allows a remote party that can deliver a malformed

CVE-2020-28361 MEDIUM POC
5.4 Nov 18

Kamailio before 5.4.0, as used in Sip Express Router (SER) in Sippy Softswitch 4.5 through 5.2 and other products, allow

CVE-2015-1591 HIGH
7.8 Jun 27

The kamailio build in kamailio before 4.2.0-2 process allows local users to gain privileges. Rated high severity (CVSS 7

CVE-2026-52023 HIGH
7.5 Sep 01

Denial of service in Kamailio v6.1.1 and earlier allows an unauthenticated remote attacker to crash the SIP proxy by sen

CVE-2026-39863 HIGH
7.5 Apr 08

Out-of-bounds memory access in Kamailio SIP server versions before 5.8.8, 6.0.6, and 6.1.1 enables unauthenticated remot

CVE-2026-108822 MEDIUM
6.9 Oct 12

A heap/stack-adjacent buffer overflow in Kamailio's optional sipt module lets remote, unauthenticated attackers crash th

CVE-2026-82608 LOW POC
2.1 Aug 31

Out-of-bounds read in Kamailio's IMS AVP handler exposes telecom infrastructure to remote memory disclosure and potentia

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