CVE-2023-20055: A vulnerability in the management API of Cisco DNA Center could allow an authenticated, remote attacker to elevate privileges in the context of the we...

Description

A vulnerability in the management API of Cisco DNA Center could allow an authenticated, remote attacker to elevate privileges in the context of the web-based management interface on an affected device. This vulnerability is due to the unintended exposure of sensitive information. An attacker could exploit this vulnerability by inspecting the responses from the API. Under certain circumstances, a successful exploit could allow the attacker to access the API with the privileges of a higher-level user account. To successfully exploit this vulnerability, the attacker would need at least valid Observer credentials.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.74%

50.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Cisco	Catalyst Center	< 2.3.3.6
Cisco	Catalyst Center	2.3.4.0

References

Timeline

Published: Mar 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20055?

A vulnerability in the management API of Cisco DNA Center could allow an authenticated, remote attacker to elevate privileges in the context of the web-based management interface on an affected device. This vulnerability is due to the unintended exposure of sensitive information. An attacker could exploit this vulnerability by inspecting the responses from the API. Under certain circumstances, a successful exploit could allow the attacker to access the API with the privileges of a higher-level user account. To successfully exploit this vulnerability, the attacker would need at least valid Observer credentials.

How severe is CVE-2023-20055?

CVE-2023-20055 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20055?

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.