CVE-2019-1887
Published Jul 6, 2019
Last updated 5 years ago
Overview
- Description
- 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.
- Source
- ykramarz@cisco.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:cisco:unified_communications_manager:10.5\\(2.10000.5\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "520555C7-5E9B-4C76-AAB5-5DD8B29D18F0"
},
{
"criteria": "cpe:2.3:a:cisco:unified_communications_manager:11.5\\(1.10000.6\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "21BFC3A9-B6B1-49EE-A93A-6432BFE33E84"
},
{
"criteria": "cpe:2.3:a:cisco:unified_communications_manager:12.0\\(1.10000.10\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1BA185BB-D78F-4F4E-B248-9AF550F0C4E0"
},
{
"criteria": "cpe:2.3:a:cisco:unified_communications_manager:12.5\\(1.10000.22\\):*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BEEEA592-F8A1-41F2-B152-87F0A9B6087E"
}
],
"operator": "OR"
}
]
}
]