CVE-2019-1922

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected phone. The vulnerability is due to insufficient validation of input Session Initiation Protocol (SIP) packets. An attacker could exploit this vulnerability by altering the SIP replies that are sent to the affected phone during the registration process. A successful exploit could allow the attacker to cause the phone to reboot and not complete the registration process.
Overview
  • CVE ID
  • CVE-2019-1922
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-07-06T02:15:11
  • Last Modified Date
  • 2019-10-09T23:48:33
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:cisco:ip_conference_phone_7832_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_conference_phone_7832:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_conference_phone_8832:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_7811_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_7821_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_7841_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_7861_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8811_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8811_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8841_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8841_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8845_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8845_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8851_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8851_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8861_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8861_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:cisco:ip_phone_8865_firmware:11.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ip_phone_8865_firmware:12.5\(1\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-ip-phone-sip-dos Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-1922
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1922
History
Created Old Value New Value Data Type Notes
2022-05-10 17:02:52 Added to TrackCVE
2022-12-03 22:58:59 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-03 22:58:59 2019-07-06T02:15Z 2019-07-06T02:15:11 CVE Published Date updated
2022-12-03 22:58:59 2019-10-09T23:48:33 CVE Modified Date updated
2022-12-03 22:58:59 Modified Vulnerability Status updated