CVE-2020-3411

Name: CVE-2020-3411
Creator: NVD / NIST
Published: 2020-08-17T18:15:12.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.22%

Last modified Jun 17, 2026

CVE-2020-3411 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in Cisco DNA Center software could allow an unauthenticated remote attacker access to sensitive information on an affected system. The vulnerability is due to improper handling of authentication tokens by the affected software. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

A vulnerability in Cisco DNA Center software could allow an unauthenticated remote attacker access to sensitive information on an affected system. The vulnerability is due to improper handling of authentication tokens by the affected software. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker access to sensitive device information, which includes configuration files.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Catalyst Center	>= 1.3, < 1.3.1.4

References

Timeline

Published: Aug 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3411?

How severe is CVE-2020-3411?

CVE-2020-3411 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3411?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3411?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST