CVE-2016-9877

Summary

CVECVE-2016-9877
StatePUBLISHED
Assignerdell
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-29 09:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

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

EPSS: 0.003290000 probability, percentile 0.558700000 (date 2026-05-11)

Problem Types: CWE-284 | RabbitMQ authentication vulnerability


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Broadcom Rabbitmq Server 3.0.0 All All All
Application Broadcom Rabbitmq Server 3.0.1 All All All
Application Broadcom Rabbitmq Server 3.0.2 All All All
Application Broadcom Rabbitmq Server 3.0.3 All All All
Application Broadcom Rabbitmq Server 3.0.4 All All All
Application Broadcom Rabbitmq Server 3.1.0 All All All
Application Broadcom Rabbitmq Server 3.1.1 All All All
Application Broadcom Rabbitmq Server 3.1.2 All All All
Application Broadcom Rabbitmq Server 3.1.3 All All All
Application Broadcom Rabbitmq Server 3.1.4 All All All
Application Broadcom Rabbitmq Server 3.1.5 All All All
Application Broadcom Rabbitmq Server 3.2.0 All All All
Application Broadcom Rabbitmq Server 3.2.1 All All All
Application Broadcom Rabbitmq Server 3.2.2 All All All
Application Broadcom Rabbitmq Server 3.2.3 All All All
Application Broadcom Rabbitmq Server 3.2.4 All All All
Application Broadcom Rabbitmq Server 3.3.0 All All All
Application Broadcom Rabbitmq Server 3.3.1 All All All
Application Broadcom Rabbitmq Server 3.3.2 All All All
Application Broadcom Rabbitmq Server 3.3.3 All All All
Application Broadcom Rabbitmq Server 3.3.4 All All All
Application Broadcom Rabbitmq Server 3.3.5 All All All
Application Broadcom Rabbitmq Server 3.4.0 All All All
Application Broadcom Rabbitmq Server 3.4.1 All All All
Application Broadcom Rabbitmq Server 3.4.2 All All All
Application Broadcom Rabbitmq Server 3.4.3 All All All
Application Broadcom Rabbitmq Server 3.4.4 All All All
Application Broadcom Rabbitmq Server 3.5.0 All All All
Application Broadcom Rabbitmq Server 3.5.1 All All All
Application Broadcom Rabbitmq Server 3.5.2 All All All
Application Broadcom Rabbitmq Server 3.5.3 All All All
Application Broadcom Rabbitmq Server 3.5.6 All All All
Application Pivotal Software Rabbitmq 1.5.0 All All All
Application Pivotal Software Rabbitmq 1.5.1 All All All
Application Pivotal Software Rabbitmq 1.5.10 All All All
Application Pivotal Software Rabbitmq 1.5.11 All All All
Application Pivotal Software Rabbitmq 1.5.12 All All All
Application Pivotal Software Rabbitmq 1.5.13 All All All
Application Pivotal Software Rabbitmq 1.5.14 All All All
Application Pivotal Software Rabbitmq 1.5.15 All All All
Application Pivotal Software Rabbitmq 1.5.17 All All All
Application Pivotal Software Rabbitmq 1.5.18 All All All
Application Pivotal Software Rabbitmq 1.5.2 All All All
Application Pivotal Software Rabbitmq 1.5.3 All All All
Application Pivotal Software Rabbitmq 1.5.4 All All All
Application Pivotal Software Rabbitmq 1.5.5 All All All
Application Pivotal Software Rabbitmq 1.5.6 All All All
Application Pivotal Software Rabbitmq 1.5.7 All All All
Application Pivotal Software Rabbitmq 1.5.8 All All All
Application Pivotal Software Rabbitmq 1.5.9 All All All
Application Pivotal Software Rabbitmq 1.6.0 All All All
Application Pivotal Software Rabbitmq 1.6.1 All All All
Application Pivotal Software Rabbitmq 1.6.10 All All All
Application Pivotal Software Rabbitmq 1.6.2 All All All
Application Pivotal Software Rabbitmq 1.6.3 All All All
Application Pivotal Software Rabbitmq 1.6.4 All All All
Application Pivotal Software Rabbitmq 1.6.5 All All All
Application Pivotal Software Rabbitmq 1.6.6 All All All
Application Pivotal Software Rabbitmq 1.6.7 All All All
Application Pivotal Software Rabbitmq 1.6.8 All All All
Application Pivotal Software Rabbitmq 1.6.9 All All All
Application Pivotal Software Rabbitmq 1.7.0 All All All
Application Pivotal Software Rabbitmq 1.7.2 All All All
Application Pivotal Software Rabbitmq 1.7.3 All All All
Application Pivotal Software Rabbitmq 1.7.4 All All All
Application Pivotal Software Rabbitmq 1.7.5 All All All
Application Pivotal Software Rabbitmq 1.7.6 All All All
Application Pivotal Software Rabbitmq 3.5.4 All All All
Application Pivotal Software Rabbitmq 3.5.5 All All All
Application Pivotal Software Rabbitmq 3.5.7 All All All
Application Pivotal Software Rabbitmq 3.6.0 All All All
Application Pivotal Software Rabbitmq 3.6.1 All All All
Application Pivotal Software Rabbitmq 3.6.2 All All All
Application Pivotal Software Rabbitmq 3.6.3 All All All
Application Pivotal Software Rabbitmq 3.6.4 All All All
Application Pivotal Software Rabbitmq 3.6.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Pivotal RabbitMQ 3.x Before 3.5.8 And 3.6.x Before 3.6.6 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 affected Pivotal RabbitMQ 3.x before 3.5.8 and 3.6.x before 3.6.6; 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 Not specified

References

ReferenceSourceLinkTags
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 support.hpe.com
CVE-2016-9877 RabbitMQ authentication vulnerability | Security | Pivotal af854a3a-2127-422b-91ae-364da2661108 pivotal.io Mitigation, Vendor Advisory
Debian -- Security Information -- DSA-3761-1 rabbitmq-server af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Pivotal RabbitMQ Products CVE-2016-9877 Authentication Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 690144 Free Berkeley Software Distribution (FreeBSD) Security Update for rabbitmq (b1aa54ae-74cb-42a0-b462-cbb6831c5c50)
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