Information disclosure in Cisco IP Phones Series 7800 and Series 8800

1) Information disclosure

EUVDB-ID: #VU29143

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 - Information exposure

Exploit availability: No

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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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