CVE-2018-15386

Name: CVE-2018-15386
Creator: NVD / NIST
Published: 2018-10-05T14:29:07.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.41%

Last modified Jun 17, 2026

CVE-2018-15386 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 3.41% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.41%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-16

Affected Software

Vendor	Product	Versions
Cisco	Digital Network Architecture Center	1.1
Cisco	Digital Network Architecture Center	1.1.1
Cisco	Digital Network Architecture Center	1.1.2
Cisco	Digital Network Architecture Center	1.1.3

References

http://www.securityfocus.com/bid/105504Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-dna-unauth-accessVendor Advisory
http://www.securityfocus.com/bid/105504Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-dna-unauth-accessVendor Advisory

Timeline

Published: Oct 5, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-15386?

How severe is CVE-2018-15386?

CVE-2018-15386 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.41% probability of exploitation in the next 30 days.

How do I fix CVE-2018-15386?

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-2018-15386?

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

Scan your code now

Source: NVD / NIST