UBUNTU-CVE-2021-22116
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 08 Jun 2021, 12:15
Last modified:04 Feb 2026, 03:43
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
08 Jun 2021, 12:15
Published
Vulnerability first disclosed
04 Feb 2026, 03:43
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•rabbitmq-server
< 3.5.7-1ubuntu0.16.04.4+esm1 | < 3.6.10-1ubuntu0.5 | < 3.8.2-0ubuntu1.3 | < 3.8.9-3ubuntu1