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Vulnerability record · CVE-2023-20223 · published 27 September 2023

CVE-2023-20223: Cisco dna center improper access control vulnerability

Cisco · Dna Center

A vulnerability in Cisco DNA Center could allow an unauthenticated, remote attacker to read and modify data in a repository that belongs to an internal service on an affected device. This vulnerability is due to insufficient access control enforcement on API requests. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to read and modify data that is handled by an internal service on the affected device.

8.2 CVSS 3.1 High EPSS 0.64% · top 48.9% CWE-284 · Improper access control
8.2CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in Cisco DNA Center could allow an unauthenticated, remote attacker to read and modify data in a repository that belongs to an internal service on an affected device. This vulnerability is due to insufficient access control enforcement on API requests. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to read and modify data that is handled by an internal service on the affected device.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-ins-acc-con-nHAVDRBZ Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-ins-acc-con-nHAVDRBZ Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-20223), CISA KEV, FIRST EPSS (scores of 2026-11-12). This page is refreshed as NVD updates the record.