Medium severity · published Jan 14, 2022
CVE-2022-20660
Cisco IP Phones Information Disclosure Vulnerability
4.6
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Cisco Session Initiation Protocol (SIP) Software · Cisco
All versions, or not specified · source: vendor
IC
IP Conference Phone 7832 Firmware · Cisco
before 14.1\(1\) · source: NVD
IC
IP Conference Phone 8832 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 7811 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 7821 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 7841 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 7861 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 8811 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 8841 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 8845 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 8851 Firmware · Cisco
before 14.1\(1\) · source: NVD
IP
IP Phone 8861 Firmware · Cisco
before 14.1\(1\) · source: NVD
Affected product
CS
Cisco Session Initiation Protocol (SIP) Software
Cisco
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