CVE-2022-20660

Name: CVE-2022-20660
Creator: NVD / NIST
Published: 2022-01-14T05:15:11.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2022-20660 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.35%

27.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Ip Conference Phone 7832 Firmware	< 14.1\(1\)
Cisco	Ip Conference Phone 8832 Firmware	< 14.1\(1\)
Cisco	Ip Phone 7811 Firmware	< 14.1\(1\)
Cisco	Ip Phone 7821 Firmware	< 14.1\(1\)
Cisco	Ip Phone 7841 Firmware	< 14.1\(1\)
Cisco	Ip Phone 7861 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8811 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8841 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8845 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8851 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8861 Firmware	< 14.1\(1\)
Cisco	Ip Phone 8865 Firmware	< 14.1\(1\)
Cisco	Unified Ip Conference Phone 8831 Firmware	All versions
Cisco	Unified Ip Conference Phone 8831 For Third-Party Call Control Firmware	All versions
Cisco	Unified Ip Phone 7945g Firmware	All versions
Cisco	Unified Ip Phone 7965g Firmware	All versions
Cisco	Unified Ip Phone 7975g Firmware	All versions
Cisco	Unified Sip Phone 3905 Firmware	< 9.4\(1\)sr5
Cisco	Wireless Ip Phone 8821 Firmware	< 11.0\(6\)sr2
Cisco	Wireless Ip Phone 8821-Ex Firmware	< 11.0\(6\)sr2

References

http://packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/34Mailing List, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxAVendor Advisory
http://packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/Jan/34Mailing List, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxAVendor Advisory

Timeline

Published: Jan 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20660?

How severe is CVE-2022-20660?

CVE-2022-20660 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20660?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20660?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST