CVE-2021-34431

2021-07-2213:45:13

CWE-401

eclipse

www.cve.org

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.5%

JSON

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.

CNA Affected

[
  {
    "product": "Eclipse Mosquitto",
    "vendor": "The Eclipse Foundation",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "1.6",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2.0.10",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]