Vulnerability · Published Jun 8, 2021 · Assigned by vmware

CVE-2021-22116

High 7.5

In plain English

A high-severity uncontrolled resource consumption in RabbitMQ. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

RabbitMQ all versions prior to 3.8.16 are prone to a denial of service vulnerability due to improper input validation in AMQP 1.0 client connection endpoint. A malicious user can exploit the vulnerability by sending malicious AMQP messages to the target RabbitMQ instance having the AMQP 1.0 plugin enabled.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12rabbitmq-server3.9.4-1DEBIAN-CVE-2021-22116
Debian:13rabbitmq-server3.9.4-1DEBIAN-CVE-2021-22116
Debian:14rabbitmq-server3.9.4-1DEBIAN-CVE-2021-22116
Ubuntu:22.04:LTSrabbitmq-server3.8.9-3ubuntu1UBUNTU-CVE-2021-22116

Affected products (as reported)

VendorProductVersions
n/a RabbitMQ RabbitMQ prior to version 3.8.16

Weakness: CWE-400

References