CVE-2022-20660: cisco cisco session initiation protocol (sip) software
Vulnerability summary
CVE-2022-20660 is a medium (CVSS 4.6) vulnerability in cisco cisco session initiation protocol (sip) software. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-01-2022PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versions- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Cisco21 products
- cisco session initiation protocol (sip) softwaren/a
- ip_conference_phone_7832_firmware< 14.1\(1\)
- ip_conference_phone_8832_firmware< 14.1\(1\)
- ip_phone_7811_firmware< 14.1\(1\)
- ip_phone_7821_firmware< 14.1\(1\)
1 vendor · 21 products
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-info-disc-fRdJfOxAVendor AdvisoryX Refsource CISCO
- packetstormsecurity.com/files/165567/Cisco-IP-Phone-Cleartext-Password-Storage.htmlX Refsource MISCExploitThird Party AdvisoryVDB Entry