What is the CVSS score of CVE-2018-11541?

CVE-2018-11541 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.8%.

Sonus Sbc 1000 Firmware CVE-2018-11541

CRITICAL

Missing Authorization (CWE-862)

2018-07-09 cve@mitre.org

Authentication Bypass Privilege Escalation Sonus Sbc 1000 Firmware Sonus Sbc 2000 Firmware Sbc Swe Lite Web

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 09, 2018 - 12:29 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. 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. Affected products include: Ribboncommunications Sonus Sbc 1000 Firmware, Ribboncommunications Sonus Sbc 2000 Firmware, Ribboncommunications Sbc Swe Lite Web.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.