High severity · published Jun 8, 2021
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
7.5
CVSS
1.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
RA
Rabbitmq · Vmware
before 3.8.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22116
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22116
Mailing List
https://lists.debian.org/debian-lts-announce/2021/07/msg00011.html
Vendor Advisory
https://tanzu.vmware.com/security/cve-2021-22116
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