CVE-2018-0271

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A vulnerability in the API gateway of the Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, remote attacker to bypass authentication and access critical services. The vulnerability is due to a failure to normalize URLs prior to servicing requests. An attacker could exploit this vulnerability by submitting a crafted URL designed to exploit the issue. A successful exploit could allow the attacker to gain unauthenticated access to critical services, resulting in elevated privileges in DNA Center. This vulnerability affects Cisco DNA Center Software Releases prior to 1.1.2. Cisco Bug IDs: CSCvi09394.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 17, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

CVE-2018-02725.9A vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker CVE-2018-02735.3A vulnerability in the IPsec Manager of Cisco StarOS for Cisco Aggregation Services Router (ASR) 5000 Series Routers and Virtualized Packet CVE-2018-02748.8A vulnerability in the CLI parser of Cisco Network Services Orchestrator (NSO) could allow an authenticated, remote attacker to execute arbiCVE-2018-02756.7A vulnerability in the support tunnel feature of Cisco Identity Services Engine (ISE) could allow an authenticated, local attacker to accessCVE-2018-02766.1A vulnerability in Cisco WebEx Connect IM could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack agaCVE-2018-02778.6A vulnerability in the Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) certificate validation during EAP authenticatioCVE-2018-02786.5A vulnerability in the management console of Cisco Firepower System Software could allow an unauthenticated, remote attacker to access sensiCVE-2018-02798.8A vulnerability in the Secure Copy Protocol (SCP) server of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticateCVE-2018-02807.5A vulnerability in the Real-Time Transport Protocol (RTP) bitstream processing of the Cisco Meeting Server could allow an unauthenticated, rCVE-2018-02815.8A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to restart an insCVE-2018-02826.8A vulnerability in the TCP socket code of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affectedCVE-2018-02835.8A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to restart an ins
CVE-2018-0271: Critical severity, CVSS 9.8 | Vulnix