CVE intelligence and bounded remediation

CVE-2018-11541 — Ribboncommunications Sonus Sbc 1000 Firmware security vulnerability

Critical CVSS 9.8

A root privilege escalation vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows unauthorised access to privileged content via an unspecified vector. It affects the 1000 and 2000 devices 6.0.x up to Build 446, 6.1.x up to Build 492, and 7.0.x up to Build 485. It affects the SWe Lite devices 6.1.x up to Build 111 and 7.0.x up to Build 140.

Severity
Critical
CVSS
9.8 (3.0)
Published
2018-07-09
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-862

Affected products

  • ribboncommunications / sonus_sbc_1000_firmware / 6.0.0
  • ribboncommunications / sonus_sbc_1000_firmware / 6.1.0
  • ribboncommunications / sonus_sbc_1000_firmware / 7.0.0
  • ribboncommunications / sonus_sbc_2000_firmware / 6.0.0
  • ribboncommunications / sonus_sbc_2000_firmware / 6.1.0
  • ribboncommunications / sonus_sbc_2000_firmware / 7.0.0

Showing 6 representative product identities from 8 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

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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