CVE-2016-9877
rabbitmq-server - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.20%
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.
How to fix CVE-2016-9877
To remediate CVE-2016-9877, upgrade the affected package to a fixed version below.
- —upgrade to 3.6.6-1 or later
- —upgrade to 3.3.5-1.1+deb8u1 or later
Is CVE-2016-9877 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.6.6-1
- from 0, < 3.3.5-1.1+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |