CVE-2021-22116
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.39% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-20
- Affected
- vmware/rabbitmq · debian/debian linux
- Source
- security@vmware.com
References
- https://lists.debian.org/debian-lts-announce/2021/07/msg00011.htmlMailing List, Third Party Advisory
- https://tanzu.vmware.com/security/cve-2021-22116Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00011.htmlMailing List, Third Party Advisory
- https://tanzu.vmware.com/security/cve-2021-22116Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.