CVE-2018-0134
Published: 2018-02-08
Last Modified: 2020-09-04
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
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.
| Severity | Medium |
| Base Score | 5/10 |
| Exploit Score | 10/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Impact Score | 2.9/10 |
| Confidentiality Impact | Partial |
| Availability Impact | None |
| Integrity Impact | None |
| Vector String | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| Severity | Medium |
| Base Score | 5.3/10 |
| Exploit Score | 3.9/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Privileges Required | None |
| Impact Score | 1.4/10 |
| Confidentiality Impact | Low |
| Availability Impact | None |
| Integrity Impact | None |
| Scope | Unchanged |
| User Interaction | None |
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CPE | Vulnerable | Start | Excluding |
|---|---|---|---|
| cpe:2.3:a:cisco:mobility_services_engine:13.0.0:*:*:*:*:*:*: | Yes | - | - |
| cpe:2.3:a:cisco:mobility_services_engine:13.1.0:*:*:*:*:*:*: | Yes | - | - |
http://www.securityfocus.com/bid/102954
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-
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