#VU48546 Missing Authentication for Critical Function in Cisco IoT Field Network Director - CVE-2020-3531

Vulnerability identifier: #VU48546

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-3531

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco IoT Field Network Director
Web applications / Remote management & hosting panels

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the affected system does not properly authenticate API calls. A remote attacker can obtain a cross-site request forgery (CSRF) token, then use the token with REST API requests, access the back-end database of the affected device and read, alter, or drop information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco IoT Field Network Director: 4.6

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-BCK-GHkPNZ5F

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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.