Authentication bypass in Cisco Vision Dynamic Signage Director

1) Missing Authentication for Critical Function

EUVDB-ID: #VU24156

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-16004

CWE-ID: CWE-306 - Missing Authentication for Critical Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication on an affected device.

 The vulnerability exists due to missing authentication on some of the API calls. A remote attacker can send a specially crafted request to one of the affected calls and interact with some parts of the API.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Vision Dynamic Signage Director: 2.0 - 6.2

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_vision_dynamic_signage_director:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_vision_dynamic_signage_director:2.4:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_vision_dynamic_signage_director:3.0:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200108-vdsd-auth-bypass

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.