Is CVE-2009-3279 being actively exploited?

CVE-2009-3279 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-3279?

CVE-2009-3279 has a CVSS 2.0 base score of 4.9 (MEDIUM).

CVE-2009-3279

MEDIUM · CVSS 4.9EPSS 0.4%EU EUVD

The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 create a LUKS partition by using the AES-256 cipher in plain CBC mode, which allows local users to obtain sensitive information via a watermark attack.

Key facts

CVSS score: 4.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-310
EPSS score: 0.4% (32th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-3262)
Published: September 21, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3262 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

qnap / ts-239 pro turbo nas
qnap / ts-239 pro turbo nas
qnap / ts-239 pro turbo nas
qnap / ts-639 pro turbo nas
qnap / ts-639 pro turbo nas
qnap / ts-639 pro turbo nas

References

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

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