What’s Vulnerable › Vulnerabilities

CVE-2018-0271

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-17 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Cisco Digital Network Architecture Center: before 1.1.2 — fixed in 1.1.2

How to fix

Upgrade to a fixed version: Cisco Digital Network Architecture Center 1.1.2. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/104191
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna2
• http://www.securityfocus.com/bid/104191
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna2

Get alerted when CVE-2018-0271 or the next vulnerability affects your stack