#VU24671 Path traversal in Cisco Unity Connection - CVE-2020-3130

Vulnerability identifier: #VU24671

Vulnerability risk: Medium

CVSSv4.0: 2.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-3130

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 a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web management interface. A remote administrator can send a specially crafted HTTP request and overwrite files on the underlying filesystem of an affected system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Unity Connection: before 11.5SU7

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cuc-dirtrv-M9HpnME4

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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