#VU48546 Missing Authentication for Critical Function in Cisco IoT Field Network Director - CVE-2020-3531
Published: November 18, 2020 / Updated: November 19, 2020
Vulnerability identifier: #VU48546
Vulnerability risk: High
CVSSv4.0: 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: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IoT Field Network Director
Cisco IoT Field Network Director
Software vendor:
Cisco Systems, Inc
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.
Remediation
Install update from vendor's website.