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CVE-2022-20660

Cisco IP Phones Information Disclosure Vulnerability

MEDIUM

4.6

CVSS Score

Published: January 14, 2022 at 05:01 AM UTC

Updated: June 17, 2026 at 04:24 AM UTC

41 products affected across 1 vendorIP Phone 8861 FirmwareIP Phone 8865 FirmwareIP Phone 8811 Firmware

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Severity

MEDIUM4.6

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

IP Conference Phone 7832 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-conference-phone-7832 (same device)

IP Conference Phone 8832 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-conference-phone-8832 (same device)

IP Phone 7811 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-7811 (same device)

IP Phone 7821 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-7821 (same device)

IP Phone 7841 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-7841 (same device)

IP Phone 7861 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-7861 (same device)

IP Phone 8811 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8811 (same device)

IP Phone 8841 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8841 (same device)

IP Phone 8845 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8845 (same device)

IP Phone 8851 Firmware · Cisco

95%

v < 14.1(1)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8851 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxA

References (3)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.html

Mailing Listx_refsource_FULLDISCThird Party Advisory

Source: [email protected]

http://seclists.org/fulldisclosure/2022/Jan/34

Vendor Advisoryx_refsource_CISCO

Source: [email protected]

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxA

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.6MEDIUMcisco

Attack Vector: PHYSICAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-312

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