CVE-2020-3360
mediumpriority · track · 21OT risk · elevatedEPSS 0.013 · 70 %ileEURUUSEPSS · scored 2026-10-27
A vulnerability in the Web Access feature of Cisco IP Phones Series 7800 and Series 8800 could allow an unauthenticated, remote attacker to view sensitive information on an affected device. The vulnerability is due to improper access controls on the web-based management interface of an affected device. An attacker could exploit this vulnerability by sending malicious requests to the device, which could allow the attacker to bypass access restrictions. A successful attack could allow the attacker to view sensitive information, including device call logs that contain names, usernames, and phone numbers of users of the device.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco IP Phone 7800 Series cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IP Phone 8800 Series 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
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (47)
Products and version ranges known to be affected.
- cisco unified ip phone 6901 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6901_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 6911 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6911_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 6921 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6921_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 6941 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6941_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 6945 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6945_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 6961 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_6961_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 7811 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_7811_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 7821 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_7821_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 7832 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_7832_firmware:*:*:*:*:*:*:*:*
- cisco unified ip phone 7841 firmware≤ 12.8\(1\)nvdUScpe:2.3:o:cisco:unified_ip_phone_7841_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-phone-logs-2O7f7ExMCisco IP Phones Call Log Information Disclosure Vulnerability2020-06-17csaf · cisco_csafUS
A vulnerability in the Web Access feature of Cisco IP Phones could allow an unauthenticated, remote attacker to view sensitive information on an affected device. The vulnerability is due to improper access controls on the web-based management interface of an affected device. An attacker could exploit this vulnerability by sending malicious requests to the device, which could allow the attacker to bypass access restrictions. A successful attack could allow the attacker to view sensitive information, including device call logs that contain names, usernames, and phone numbers of users of the device. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExM ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExM"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47187cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-3360cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExMcnnvd
- https://vigilance.fr/vulnerability/Cisco-IP-Phone-information-disclosure-via-Call-Log-32557cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2123/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExMenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExMVendor Advisorynvd
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