CVE-2021-3856

Published Aug 26, 2022

Last updated a year ago

CVSS medium 4.3

Overview

Description: ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.
Source: secalert@redhat.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 4.3
Impact score: 1.4
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-22
secalert@redhat.com: CWE-552

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "08FEF5EB-2BDF-45E6-988A-D9B04FC9281D",
            "versionEndExcluding": "15.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References