CVE-2021-44718

Published Sep 2, 2022

Last updated 5 months ago

CVSS medium 5.9

Overview

Description: wolfSSL through 5.0.0 allows an attacker to cause a denial of service and infinite loop in the client component by sending crafted traffic from a Machine-in-the-Middle (MITM) position. The root cause is that the client module accepts TLS messages that normally are only sent to TLS servers.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.9
Impact score: 3.6
Exploitability score: 2.2
Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-835

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "4A2BB256-A089-42D8-AA9D-BB194B1213A2",
            "versionEndIncluding": "5.0.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References