Is CVE-2009-4738 being actively exploited?

CVE-2009-4738 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4738?

CVE-2009-4738 has a CVSS 2.0 base score of 7.2 (HIGH).

CVE-2009-4738

HIGH · CVSS 7.2EPSS 0.4%EU EUVD

Unspecified vulnerability in JustSystems Corporation ATOK 2006 through 2009 and ATOK flat-rate service, and Just Smile 4 with the ATOK Smile module, allows physically proximate users to bypass the screen lock and execute commands with system privileges via unknown vectors related to "launching external applications."

Key facts

CVSS score: 7.2 (v2.0)
Severity: HIGH
CVSS vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS score: 0.4% (34th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4702)
Published: January 18, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4702 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

justsystems / atok
justsystems / atok
justsystems / atok
justsystems / atok
justsystems / atok flat-rate service
justsystems / just smile

References

http://jvn.jp/en/jp/JVN57040664/index.html
http://jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000057.html
http://secunia.com/advisories/36560(Vendor Advisory)
http://www.justsystems.com/jp/info/js09003.html(Patch, Vendor Advisory)
http://www.securityfocus.com/bid/36220

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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