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TI-2021-05108 Aliases CVE-2021-22116GHSA-5hjq-8gx9-79g4

Uncontrolled resource consumption in RabbitMQ

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.01387 72nd percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—RabbitMQRabbitMQ prior to version 3.8.16—No fix listedCNA
  • RabbitMQ Vendor— Affected RabbitMQ prior to version 3.8.16 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:vmware:rabbitmq:*:*:*:*:*:*:*:*before 3.8.16VulnerableVMware
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:vmware:rabbitmq:*:*:*:*:*:*:*:* Versions before 3.8.16 Vulnerable ·VMware
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 16 (Train)AffectedNo fix planned: Will not fix
Not affected: 1 product
  • Red Hat Ansible Tower 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22116
  2. 2026-10-03 Alias added: GHSA-5hjq-8gx9-79g4

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences