CVE-2023-21242

Published Aug 14, 2023

Last updated a year ago

CVSS critical 9.8

Overview

Description: In isServerCertChainValid of InsecureEapNetworkHandler.java, there is a possible way to trust an imposter server due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Source: security@android.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:google:android:13.0:-:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "08A26AC2-409E-499A-B0D5-8C2B5038947D"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References