Vulnerability identifier: #VU29143

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3360

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco 7800 Series IP Phones
Hardware solutions / Office equipment, IP-phones, print servers
Cisco 8800 Series IP Phones
Hardware solutions / Office equipment, IP-phones, print servers
Unified Communications Manager (CallManager)
Server applications / Remote management servers, RDP, SSH

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper access controls on the web-based management interface of an affected device within the Web Access feature. A remote attacker can send specially crafted requests, bypass access restrictions and gain unauthorized access to sensitive information, such as device call logs that contain names, usernames, and phone numbers of users of the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco 7800 Series IP Phones: 12.7.1

Cisco 8800 Series IP Phones: 11.0.5 SR2

Unified Communications Manager (CallManager): 12.8.1

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-logs-2O7f7ExM

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.