Auth bypass in Cisco Digital Network Architecture Center
CVE-2018-0271
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.025 · change: -0.001
Affected products
- Cisco Digital Network Architecture Center
- Cisco Digital Network Architecture Center — versions Cisco Digital Network Architecture Center
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104191 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516… (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0271?
- CVE-2018-0271 is a critical-severity vulnerability in Cisco Digital Network Architecture Center, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-05-17.
- How severe is CVE-2018-0271?
- Critical severity. CVSS v3 base score is 9.8 out of 10.