Vulnerability identifier: #VU45811

Vulnerability risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3490

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Vision Dynamic Signage Director
Other software / Other software solutions

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-based management interface of Cisco Vision Dynamic Signage Director. A remote authenticated administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 6.2 - 6.2.0 SP4

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cvdsd-pathtrv-5tLJRrFn
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28225

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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.