Is CVE-2016-9877 actively exploited?

CVE-2016-9877 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-9877?

CVE-2016-9877 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-9877?

Patch guidance is available from broadcom security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-9877.

Fix CVE-2016-9877 - CRITICAL broadcom rabbitmq server

Q: Which products are affected by CVE-2016-9877?

76 products: broadcom rabbitmq server, broadcom rabbitmq server, broadcom rabbitmq server, broadcom rabbitmq server, broadcom rabbitmq server, and 71 more.

Description

An issue was discovered in Pivotal RabbitMQ 3.x before 3.5.8 and 3.6.x before 3.6.6 and RabbitMQ for PCF 1.5.x before 1.5.20, 1.6.x before 1.6.12, and 1.7.x before 1.7.7. MQTT (MQ Telemetry Transport) connection authentication with a username/password pair succeeds if an existing username is provided but the password is omitted from the connection request. Connections that use TLS with a client-provided certificate are not affected.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-284

Metadata

Primary Vendor: BROADCOM
Published: 12/29/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

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Remediation Guidance

Executive Summary

View on NIST NVD