cve.bz

CVE-2021-33176

7.5 highEPSS 1.1%

High (7.5) in octavolabs vernemq. EPSS 1.1% chance of exploitation in the next 30 days.

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 of memory, resulting in the application being terminated by the operating system.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWEs
CWE-770, CWE-502
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON