CVE-2022-20660

4.6 mediumEPSS 0.4%

Medium (4.6) in cisco. 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.

Severity

CVSS 3.1

4.6 medium

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-312
Published: 2022-01-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisco:ip_conference_phone_7832_firmware
cisco:ip_conference_phone_8832_firmware
cisco:ip_phone_7811_firmware
cisco:ip_phone_7821_firmware
cisco:ip_phone_7841_firmware
cisco:ip_phone_7861_firmware
cisco:ip_phone_8811_firmware
cisco:ip_phone_8841_firmware
cisco:ip_phone_8845_firmware
cisco:ip_phone_8851_firmware
cisco:ip_phone_8861_firmware
cisco:ip_phone_8865_firmware
cisco:unified_ip_conference_phone_8831_firmware
cisco:unified_ip_conference_phone_8831_for_third-party_call_control_firmware
cisco:unified_ip_phone_7945g_firmware
cisco:unified_ip_phone_7965g_firmware
cisco:unified_ip_phone_7975g_firmware
cisco:unified_sip_phone_3905_firmware
cisco:wireless_ip_phone_8821-ex_firmware
cisco:wireless_ip_phone_8821_firmware

References

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