Auth bypass in Cisco Elastic Services Controller
CVE-2018-0121
A vulnerability in the authentication functionality of the web-based service portal of Cisco Elastic Services Controller Software could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper security restrictions that are imposed by the web-based service portal of the affected software. An attacker could exploit this vulnerability by submitting an empty password value to an affected portal when prompted to enter an administrative password for the portal. A successful exploit could allow the attacker to bypass authentication and gain administrator privileges for the web-based service portal of the affected software. This vulnerability affects Cisco Elastic Services Controller Software Release 3.0.0. Cisco Bug IDs: CSCvg29809.
Vulnerability class: Broken Authentication
EPSS: 0.026 (83.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Cisco Elastic_services_controller — versions 3.0.0
- Cisco Virtual_managed_services — versions 3.0
- N/a Cisco Elastic Services Controller — versions Cisco Elastic Services Controller
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-0121?
- CVE-2018-0121 is a critical-severity vulnerability in Cisco Elastic Services Controller, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-02-22.
- How severe is CVE-2018-0121?
- Critical severity. CVSS v3 base score is 9.8 out of 10.