CVE intelligence and bounded remediation

CVE-2018-0393 — Cisco Mobility Services Engine 3365 Firmware security vulnerability

Medium CVSS 6.5

A Read-Only User Effect Change vulnerability in the Policy Builder interface of Cisco Policy Suite could allow an authenticated, remote attacker to make policy changes in the Policy Builder interface. The vulnerability is due to insufficient authorization controls. An attacker could exploit this vulnerability by accessing the Policy Builder interface and modifying an HTTP request. A successful exploit could allow the attacker to make changes to existing policies. Cisco Bug IDs: CSCvi35007.

Severity
Medium
CVSS
6.5 (3.0)
Published
2018-07-18
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-285

Affected products

  • cisco / mobility_services_engine_3365_firmware / 18.0.0
  • cisco / mobility_services_engine_3355_firmware / 18.0.0
  • cisco / mobility_services_engine_3310_firmware / 18.0.0

Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
  • Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
  • Use synthetic fixtures to compare intended access matrices without accessing another user's real data.

Remediate safely

  • Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
  • Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
  • Add deny-by-default policy tests for horizontal and vertical access across every affected transport.

Authoritative sources

Complete CVE record and remediation plan

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