CVE-2022-20660
lowpriority · track · 18OT risk · elevatedEPSS 0.004 · 29 %ileEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Session Initiation Protocol (SIP) Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–4.6
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (42)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-ip-phone-info-disc-fRdJfOxACisco IP Phones Information Disclosure Vulnerability2022-01-12csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2022/Jan/34cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-20660cnnvd
- https://packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.htmlcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxAcnnvd
- https://vigilance.fr/vulnerability/Cisco-IP-Phone-information-disclosure-via-Storage-Architecture-37232cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022012415cnnvd
- http://packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.htmlenisa_euvd
- http://seclists.org/fulldisclosure/2022/Jan/34enisa_euvd
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