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CVE-2012-4011

27
FAUCET Score

CVE-2012-4011 describes a critical vulnerability in Cybozu KUNAI for Android versions prior to 2.0.6, allowing remote attackers to execute arbitrary Java methods. This highly severe flaw, with a CVSS score of 9.3, enables attackers to achieve complete compromise, including sensitive information disclosure and arbitrary command execution, through a crafted website. Despite its high severity and potential impact, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.5CPE matchmatch criteria
cpe:2.3:a:cybozu:kunai:*:-:*:*:*:android:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.12%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0312 is in the 45th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cs.cybozu.co.jp / information/20120910up01.php
Vendor Advisory
jvndb.jvn.jp / jvndb/JVNDB-2012-000083
jvn.jp / en/jp/JVN23568423/index.html