What is CVE-2021-33176?

CVE-2021-33176 is a high-severity vulnerability in Octavolabs Vernemq, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2021-06-08.

How severe is CVE-2021-33176?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in Octavolabs Vernemq

CVE-2021-33176

VerneMQ MQTT Broker versions prior to 1.12.0 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 o…

Vulnerability class: Insecure Deserialization

EPSS: 0.011 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Octavolabs Vernemq
Vernemq — versions <1.12.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data
CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@synopsys.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-33176?: CVE-2021-33176 is a high-severity vulnerability in Octavolabs Vernemq, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2021-06-08.
How severe is CVE-2021-33176?: High severity. CVSS v3 base score is 7.5 out of 10.