Vulnerability identifier: #VU6426

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6629

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Unity Connection
Client/Desktop applications / Messaging software

Vendor: Cisco Systems, Inc

Description
The vulnerability allows an unauthenticated, remote attacker to obtain potentially sensitive information.

The weakness exists due to improper sanitization of user-supplied input in HTTP POST parameters that describe filenames. A remote attacker can use directory traversal techniques to submit a path to a desired file location and access files on the filesystem of an affected device.

Successful exploitation of the vulnerability may result in information disclosure.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Unity Connection: 10.5.2

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cuc

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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