CVE-2018-0271

Name: CVE-2018-0271
Creator: NVD / NIST
Published: 2018-05-17T03:29:00.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.75%

Last modified Jun 17, 2026

CVE-2018-0271 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.75% chance of exploitation in the next 30 days.

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

EPSS Probability

2.75%

84.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Digital Network Architecture Center	< 1.1.2

References

http://www.securityfocus.com/bid/104191Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna2Vendor Advisory
http://www.securityfocus.com/bid/104191Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna2Vendor Advisory

Timeline

Published: May 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0271?

How severe is CVE-2018-0271?

Severity scoring for CVE-2018-0271 is pending analysis. The EPSS model estimates a 2.75% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0271?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0271?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST