What is CVE-2020-3531?

CVE-2020-3531 is a critical-severity vulnerability in Cisco Iot Field Network Director (Iot-fnd), classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-11-18.

How severe is CVE-2020-3531?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Cisco Iot Field Network Director (Iot-fnd)

CVE-2020-3531

A vulnerability in the REST API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to access the back-end database of an affected system. The vulnerability exists because the affected software does no…

Vulnerability class: Broken Authentication

EPSS: 0.048 (89.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Iot Field Network Director (Iot-fnd) — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

20201118 Cisco IoT Field Network Director Unauthenticated REST API Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2020-3531?: CVE-2020-3531 is a critical-severity vulnerability in Cisco Iot Field Network Director (Iot-fnd), classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-11-18.
How severe is CVE-2020-3531?: Critical severity. CVSS v3 base score is 9.8 out of 10.