CVE-2022-20660: Cisco IP Conference Phone 7832 Firmware

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in the information storage architecture of several Cisco IP Phone models could allow an unauthenticated, physical attacker to obtain confidential information from an affected device. This vulnerability is due to unencrypted storage of confidential information on an affected device. An attacker could exploit this vulnerability by physically extracting and accessing one of the flash memory chips. A successful exploit could allow the attacker to obtain confidential information from the device, which could be used for subsequent attacks.

Affected products

  • Cisco IP Conference Phone 7832 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Conference Phone 8832 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 7811 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 7821 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 7841 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 7861 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8811 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8841 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8845 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8851 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8861 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco IP Phone 8865 Firmware: before 14.1\(1\) (fixed in 14.1\(1\))
  • Cisco Unified IP Conference Phone 8831 Firmware: affected versions not specified
  • Cisco Unified IP Conference Phone 8831 For Third-Party Call Control Firmware: affected versions not specified
  • Cisco Unified IP Phone 7945g Firmware: affected versions not specified
  • Cisco Unified IP Phone 7965g Firmware: affected versions not specified
  • Cisco Unified IP Phone 7975g Firmware: affected versions not specified
  • Cisco Unified SIP Phone 3905 Firmware: before 9.4\(1\)sr5 (fixed in 9.4\(1\)sr5)
  • Cisco Wireless IP Phone 8821-Ex Firmware: before 11.0\(6\)sr2 (fixed in 11.0\(6\)sr2)
  • Cisco Wireless IP Phone 8821 Firmware: before 11.0\(6\)sr2 (fixed in 11.0\(6\)sr2)

Published 2022-01-14. Last modified 2026-06-17.