Vulnerability · Published Jun 8, 2021 · Assigned by SNPS
CVE-2021-33176
High 7.5
In plain English
A high-severity unsafe deserialization in vernemq from VerneMQ. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.1%top 34.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-502