CVE-2019-1887CWE-787

Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability

High · published July 6, 2019

CVSS v3.0
8.6
EPSS
2%
Percentile
78.0
In the wild
Unconfirmed
What it is

A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service.

The record
Technical detail
CVSS v3.0
8.6 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01772 · 78.0th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2019-07-06T01:15Z
EPSS history
Timeline
  • 06 JUL 01:15Z
    Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability
    cvelistv5