Information disclosure in Cisco Mobility Services Engine
CVE-2018-0134
A vulnerability in the RADIUS authentication module of Cisco Policy Suite could allow an unauthenticated, remote attacker to determine whether a subscriber username is valid. The vulnerability occurs because the Cisco Policy Suite RADIUS server component returns different authentication failure messages based on the validity of usernames. An attacker could use these messages to determine whether a valid subscriber username has been identified. The attacker could use this information in subsequent attacks against the system. Cisco Bug IDs: CSCvg47830.
Vulnerability class: Information Disclosure
EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Cisco Mobility_services_engine — versions 13.0.0, 13.1.0
- N/a Cisco Policy Suite — versions Cisco Policy Suite
Weakness classification (CWE)
References
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0134?
- CVE-2018-0134 is a medium-severity vulnerability in Cisco Mobility Services Engine, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-02-08.
- How severe is CVE-2018-0134?
- Medium severity. CVSS v3 base score is 5.3 out of 10.