CVE-2019-1887: Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability
First published: Sat Jul 06 2019(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager | =10.5\(2.10000.5\) | |
| Cisco Unified Communications Manager | =11.5\(1.10000.6\) | |
| Cisco Unified Communications Manager | =12.0\(1.10000.10\) | |
| Cisco Unified Communications Manager | =12.5\(1.10000.22\) |
Remedy
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-cucm-dos
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2019-1887?
CVE-2019-1887 is a vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager that could allow an unauthenticated attacker to cause a denial of service (DoS) condition.
What is the severity of CVE-2019-1887?
The severity of CVE-2019-1887 is high with a CVSS score of 7.5.
How does CVE-2019-1887 affect Cisco Unified Communications Manager?
CVE-2019-1887 affects Cisco Unified Communications Manager versions 10.5(2.10000.5), 11.5(1.10000.6), 12.0(1.10000.10), and 12.5(1.10000.22).
What is the vulnerability of CVE-2019-1887?
CVE-2019-1887 is a vulnerability related to insufficient validation of input SIP traffic in Cisco Unified Communications Manager.
How can I fix CVE-2019-1887?
To fix CVE-2019-1887, it is recommended to update Cisco Unified Communications Manager to the latest version available.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/references
- agent/severity
- agent/author
- agent/remedy
- agent/weakness
- agent/last-modified-date
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- vendor/cisco
- canonical/cisco unified communications manager
- version/cisco unified communications manager/10.5\(2.10000.5\)
- version/cisco unified communications manager/11.5\(1.10000.6\)
- version/cisco unified communications manager/12.0\(1.10000.10\)
- version/cisco unified communications manager/12.5\(1.10000.22\)