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Rewterz Threat Advisory – Cisco IP Phone 6800, 7800, and 8800 Series Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-20078 CVSS:9.8

Cisco IP Phone 6800, 7800, and 8800 Series could allow a remote attacker to execute arbitrary commands on the system, caused by insufficient validation of user-supplied input in the web-based management interface. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary commands with root privileges on the system.

CVE-2023-20079 CVSS:7.5

Cisco IP Phone 6800, 7800, and 8800 Series are vulnerable to a denial of service, caused by insufficient validation of user-supplied input in the web-based management interface. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.

Impact

  • Command Execution
  • Denial of Service

Indicators Of Compromise

CVE

  • CVE-2023-20011
  • CVE-2023-20089
  • CVE-2023-20012

Affected Vendors

Cisco

Affected Products

  • Cisco IP Phone 6800 Series
  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 8800 Series

Remediation

Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information. 

Cisco Security Advisory