7.5

CVE-2019-1887

Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Unified Communications Manager Version 10.5(2.10000.5)
Cisco ≫ Unified Communications Manager Version 11.5(1.10000.6)
Cisco ≫ Unified Communications Manager Version 12.0(1.10000.10)
Cisco ≫ Unified Communications Manager Version 12.5(1.10000.22)
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.77% 0.753
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
Cisco PSIRT 8.6 3.9 4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos
Patch
Vendor Advisory