Vulnerability Details : CVE-2021-33175
EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system.
Vulnerability category: Denial of service
Products affected by CVE-2021-33175
- cpe:2.3:a:emqx:emq_x_broker:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33175
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33175
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-33175
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by: disclosure@synopsys.com (Secondary)
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33175
-
https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemq
CyRC Vulnerability Advisory: Denial of service vulnerabilities in RabbitMQ, EMQ X, and VerneMQ | SynopsysPatch;Third Party Advisory
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