Cisco Digital Network Architecture Center Unauthenticated Access Vulnerability
Description
A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, remote attacker to bypass authentication and have direct unauthorized access to critical management functions. The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
An unauthenticated, remote attacker can bypass authentication and gain unauthorized access to critical management functions in Cisco DNA Center due to an insecure default configuration.
Vulnerability
Cisco Digital Network Architecture (DNA) Center contains a vulnerability (CVE-2018-15386) that allows an unauthenticated, remote attacker to bypass authentication and gain direct unauthorized access to critical management functions. The vulnerability is due to an insecure default configuration of the affected system. This affects Cisco DNA Center software prior to the fixed releases [1].
Exploitation
An attacker can exploit this vulnerability by directly connecting to the exposed services without any prior authentication or user interaction. No special network position or credentials are required; the attacker only needs network access to the affected system [1].
Impact
Successful exploitation could allow the attacker to retrieve and modify critical system files, leading to potential full compromise of the Cisco DNA Center management system [1].
Mitigation
Cisco has released free software updates to address this vulnerability. Customers should upgrade to the fixed software versions as indicated in the Cisco Security Advisory [1]. No workarounds are available; upgrading is the recommended action.
AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Cisco/Cisco Digital Network Architecture Center (DNA Center)v5Range: n/a
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-dna-unauth-accessmitrevendor-advisoryx_refsource_CISCO
- www.securityfocus.com/bid/105504mitrevdb-entryx_refsource_BID
News mentions
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