CVE-2021-33175
Last modified
CVE-2021-33175 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Emqx | Emq X Broker | < 4.2.8 |
References
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemqPatch, Third Party Advisory
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-rabbitmq-emqx-vernemqPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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