Cisco DNA Center Authentication Bypass Vulnerability

published 2019-06-20 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10405

cvss: 9.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, adjacent attacker to bypass authentication and access critical internal services. The vulnerability is due to insufficient access restriction to ports necessary for system operation. An attacker could exploit this vulnerability by connecting an unauthorized network device to the subnet designated for cluster services. A successful exploit could allow an attacker to reach internal services that are not hardened for external access.

Patch / fix

fixed in 1

Cisco Cisco Digital Network Architecture Center (DNA Center) 1.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-11-20)

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
NVD	3.0	9.3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
NVD	2.0	4.8	AV:A/AC:L/Au:N/C:P/I:P/A:N

Affected products

Cisco Cisco Digital Network Architecture Center (DNA Center)

Classification

Weakness

CWE-668 Exposure of Resource to Wrong Sphere

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20190619-dnac-bypass
vendor-advisory
securityfocus.com /bid/108837
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-1848
NVD CVE-2019-1848

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary