Is CVE-2012-4012 actively exploited?

No active exploitation of CVE-2012-4012 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2012-4012 be exploited remotely?

Yes. CVE-2012-4012 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-4012?

CVE-2012-4012 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2012-4012

MEDIUM

CVE-2012-4012

CWE-200Published: September 8, 2012· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

The WebView class in the Cybozu KUNAI application before 2.0.6 for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL.

NVD Source

Technical Analysis

CVE-2012-4012 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.