What is CVE-2020-3382?

CVE-2020-3382 is a critical-severity vulnerability in Cisco Data Center Network Manager, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-07-31.

How severe is CVE-2020-3382?

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

Vulnerability in Cisco Data Center Network Manager

CVE-2020-3382

A vulnerability in the REST API of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. The vulnerability exists because different installations share a static encryption key. An attacker could exploit this vulnerability by using the static key to craft a valid session token. A successful exploit could allow the attacker to perform arbitrary actions through the REST API with administrative privileges.

Published 2020-07-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-byp… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3382?: CVE-2020-3382 is a critical-severity vulnerability in Cisco Data Center Network Manager, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-07-31.
How severe is CVE-2020-3382?: Critical severity. CVSS v3 base score is 9.8 out of 10.