Auth bypass in Cisco Umbrella
CVE-2018-0435
A vulnerability in the Cisco Umbrella API could allow an authenticated, remote attacker to view and modify data across their organization and other organizations. The vulnerability is due to insufficient authentication configurations for the API interface of Cisco Umbrella. An attacker could exploit this vulnerability to view and potentially modify data for their organization or other organizations. A successful exploit could allow the attacker to read or modify data across multiple organizations.
Vulnerability class: Broken Authentication
EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H.
Affected products
- Cisco Umbrella — versions n/a
- Cisco Umbrella
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0435?
- CVE-2018-0435 is a critical-severity vulnerability in Cisco Umbrella, classified under Improper Authentication. CVSS score: 9.1/10. Published 2018-10-05.
- How severe is CVE-2018-0435?
- Critical severity. CVSS v3 base score is 9.1 out of 10.