Vulnerability Monitor

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CVE-2019-1922

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.

Published

2019-07-06T02:15:11.793

Last Modified

2024-11-21T04:37:41.573

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-476
  • Type: Primary
    CWE-476
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ip_conference_phone_7832_firmware - Yes
Hardware cisco ip_conference_phone_7832 - No
Operating System cisco ip_conference_phone_8832_firmware 11.5\(1\) Yes
Operating System cisco ip_conference_phone_8832_firmware 12.5\(1\) Yes
Hardware cisco ip_conference_phone_8832 - No
Operating System cisco ip_phone_7811_firmware - Yes
Hardware cisco ip_phone_7811 - No
Operating System cisco ip_phone_7821_firmware - Yes
Hardware cisco ip_phone_7821 - No
Operating System cisco ip_phone_7841_firmware - Yes
Hardware cisco ip_phone_7841 - No
Operating System cisco ip_phone_7861_firmware - Yes
Hardware cisco ip_phone_7861 - No
Operating System cisco ip_phone_8811_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8811_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8811 - No
Operating System cisco ip_phone_8841_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8841_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8841 - No
Operating System cisco ip_phone_8845_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8845_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8845 - No
Operating System cisco ip_phone_8851_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8851_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8851 - No
Operating System cisco ip_phone_8861_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8861_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8861 - No
Operating System cisco ip_phone_8865_firmware 11.5\(1\) Yes
Operating System cisco ip_phone_8865_firmware 12.5\(1\) Yes
Hardware cisco ip_phone_8865 - No
References